Home / 16,862.31-23,279.13-10,149.57

Finding the Fourth Proportional to 16,862.31, 23,279.13 and 10,149.57

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Solution

The fourth proportional to 16,862.31, 23,279.13 and 10,149.57 is: 14,011.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,862.31 : 23,279.13 = 10,149.57 : x
  2. Step 2: Convert to fraction form
    16,862.31/23,279.13 = 10,149.57/x
  3. Step 3: Cross multiply
    16,862.31x = 23,279.13 × 10,149.57
  4. Step 4: Simplify right side
    16,862.31x = 236,273,159.47
  5. Step 5: Solve for x
    x = 236,273,159.47/16,862.31
  6. Step 6: Final answer
    x = 14,011.91

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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.