Home / 19,677.92-27,155.28-11,294.24

Finding the Fourth Proportional to 19,677.92, 27,155.28 and 11,294.24

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Solution

The fourth proportional to 19,677.92, 27,155.28 and 11,294.24 is: 15,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,677.92 : 27,155.28 = 11,294.24 : x
  2. Step 2: Convert to fraction form
    19,677.92/27,155.28 = 11,294.24/x
  3. Step 3: Cross multiply
    19,677.92x = 27,155.28 × 11,294.24
  4. Step 4: Simplify right side
    19,677.92x = 306,698,249.59
  5. Step 5: Solve for x
    x = 306,698,249.59/19,677.92
  6. Step 6: Final answer
    x = 15,585.91

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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.