Home / 19,591.97-27,045.20-13,227.19

Finding the Fourth Proportional to 19,591.97, 27,045.20 and 13,227.19

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Solution

The fourth proportional to 19,591.97, 27,045.20 and 13,227.19 is: 18,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.97 : 27,045.20 = 13,227.19 : x
  2. Step 2: Convert to fraction form
    19,591.97/27,045.20 = 13,227.19/x
  3. Step 3: Cross multiply
    19,591.97x = 27,045.20 × 13,227.19
  4. Step 4: Simplify right side
    19,591.97x = 357,731,966.87
  5. Step 5: Solve for x
    x = 357,731,966.87/19,591.97
  6. Step 6: Final answer
    x = 18,259.11

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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.