Home / 19,974.72-27,565.20-11,591.04

Finding the Fourth Proportional to 19,974.72, 27,565.20 and 11,591.04

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Solution

The fourth proportional to 19,974.72, 27,565.20 and 11,591.04 is: 15,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.72 : 27,565.20 = 11,591.04 : x
  2. Step 2: Convert to fraction form
    19,974.72/27,565.20 = 11,591.04/x
  3. Step 3: Cross multiply
    19,974.72x = 27,565.20 × 11,591.04
  4. Step 4: Simplify right side
    19,974.72x = 319,509,335.81
  5. Step 5: Solve for x
    x = 319,509,335.81/19,974.72
  6. Step 6: Final answer
    x = 15,995.69

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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.