Home / 22,102.44-30,497.14-15,385.62

Finding the Fourth Proportional to 22,102.44, 30,497.14 and 15,385.62

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Solution

The fourth proportional to 22,102.44, 30,497.14 and 15,385.62 is: 21,229.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,102.44 : 30,497.14 = 15,385.62 : x
  2. Step 2: Convert to fraction form
    22,102.44/30,497.14 = 15,385.62/x
  3. Step 3: Cross multiply
    22,102.44x = 30,497.14 × 15,385.62
  4. Step 4: Simplify right side
    22,102.44x = 469,217,407.13
  5. Step 5: Solve for x
    x = 469,217,407.13/22,102.44
  6. Step 6: Final answer
    x = 21,229.21

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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.