Home / 22,026.66-30,388.14-12,590.16

Finding the Fourth Proportional to 22,026.66, 30,388.14 and 12,590.16

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Solution

The fourth proportional to 22,026.66, 30,388.14 and 12,590.16 is: 17,369.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,026.66 : 30,388.14 = 12,590.16 : x
  2. Step 2: Convert to fraction form
    22,026.66/30,388.14 = 12,590.16/x
  3. Step 3: Cross multiply
    22,026.66x = 30,388.14 × 12,590.16
  4. Step 4: Simplify right side
    22,026.66x = 382,591,544.70
  5. Step 5: Solve for x
    x = 382,591,544.70/22,026.66
  6. Step 6: Final answer
    x = 17,369.48

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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.