Home / 22,266.74-30,728.08-12,195.13

Finding the Fourth Proportional to 22,266.74, 30,728.08 and 12,195.13

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Solution

The fourth proportional to 22,266.74, 30,728.08 and 12,195.13 is: 16,829.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,266.74 : 30,728.08 = 12,195.13 : x
  2. Step 2: Convert to fraction form
    22,266.74/30,728.08 = 12,195.13/x
  3. Step 3: Cross multiply
    22,266.74x = 30,728.08 × 12,195.13
  4. Step 4: Simplify right side
    22,266.74x = 374,732,930.25
  5. Step 5: Solve for x
    x = 374,732,930.25/22,266.74
  6. Step 6: Final answer
    x = 16,829.27

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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.