Home / 22,358.17-30,847.55-13,402.41

Finding the Fourth Proportional to 22,358.17, 30,847.55 and 13,402.41

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Solution

The fourth proportional to 22,358.17, 30,847.55 and 13,402.41 is: 18,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.17 : 30,847.55 = 13,402.41 : x
  2. Step 2: Convert to fraction form
    22,358.17/30,847.55 = 13,402.41/x
  3. Step 3: Cross multiply
    22,358.17x = 30,847.55 × 13,402.41
  4. Step 4: Simplify right side
    22,358.17x = 413,431,358.36
  5. Step 5: Solve for x
    x = 413,431,358.36/22,358.17
  6. Step 6: Final answer
    x = 18,491.29

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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.