Home / 22,445.50-30,974.85-13,498.13

Finding the Fourth Proportional to 22,445.50, 30,974.85 and 13,498.13

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Solution

The fourth proportional to 22,445.50, 30,974.85 and 13,498.13 is: 18,627.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.50 : 30,974.85 = 13,498.13 : x
  2. Step 2: Convert to fraction form
    22,445.50/30,974.85 = 13,498.13/x
  3. Step 3: Cross multiply
    22,445.50x = 30,974.85 × 13,498.13
  4. Step 4: Simplify right side
    22,445.50x = 418,102,397.16
  5. Step 5: Solve for x
    x = 418,102,397.16/22,445.50
  6. Step 6: Final answer
    x = 18,627.45

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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.