Home / 19,862.15-27,414.13-13,738.46

Finding the Fourth Proportional to 19,862.15, 27,414.13 and 13,738.46

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Solution

The fourth proportional to 19,862.15, 27,414.13 and 13,738.46 is: 18,962.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,862.15 : 27,414.13 = 13,738.46 : x
  2. Step 2: Convert to fraction form
    19,862.15/27,414.13 = 13,738.46/x
  3. Step 3: Cross multiply
    19,862.15x = 27,414.13 × 13,738.46
  4. Step 4: Simplify right side
    19,862.15x = 376,627,951.48
  5. Step 5: Solve for x
    x = 376,627,951.48/19,862.15
  6. Step 6: Final answer
    x = 18,962.10

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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.