Home / 22,159.19-30,592.15-15,363.09

Finding the Fourth Proportional to 22,159.19, 30,592.15 and 15,363.09

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Solution

The fourth proportional to 22,159.19, 30,592.15 and 15,363.09 is: 21,209.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,159.19 : 30,592.15 = 15,363.09 : x
  2. Step 2: Convert to fraction form
    22,159.19/30,592.15 = 15,363.09/x
  3. Step 3: Cross multiply
    22,159.19x = 30,592.15 × 15,363.09
  4. Step 4: Simplify right side
    22,159.19x = 469,989,915.34
  5. Step 5: Solve for x
    x = 469,989,915.34/22,159.19
  6. Step 6: Final answer
    x = 21,209.70

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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.