Home / 22,208.75-30,648.08-12,272.75

Finding the Fourth Proportional to 22,208.75, 30,648.08 and 12,272.75

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Solution

The fourth proportional to 22,208.75, 30,648.08 and 12,272.75 is: 16,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,208.75 : 30,648.08 = 12,272.75 : x
  2. Step 2: Convert to fraction form
    22,208.75/30,648.08 = 12,272.75/x
  3. Step 3: Cross multiply
    22,208.75x = 30,648.08 × 12,272.75
  4. Step 4: Simplify right side
    22,208.75x = 376,136,223.82
  5. Step 5: Solve for x
    x = 376,136,223.82/22,208.75
  6. Step 6: Final answer
    x = 16,936.40

Related Problems

Find fourth proportional to 11,104.38, 15,324.04 and 6,136.38
Half scale
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Double scale
Find fourth proportional to 22,209.75, 30,649.46 and 12,273.75
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.