Home / 22,042.17-30,418.92-13,541.49

Finding the Fourth Proportional to 22,042.17, 30,418.92 and 13,541.49

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Solution

The fourth proportional to 22,042.17, 30,418.92 and 13,541.49 is: 18,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,042.17 : 30,418.92 = 13,541.49 : x
  2. Step 2: Convert to fraction form
    22,042.17/30,418.92 = 13,541.49/x
  3. Step 3: Cross multiply
    22,042.17x = 30,418.92 × 13,541.49
  4. Step 4: Simplify right side
    22,042.17x = 411,917,500.99
  5. Step 5: Solve for x
    x = 411,917,500.99/22,042.17
  6. Step 6: Final answer
    x = 18,687.70

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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.