Home / 26,565.83-39,857.97-11,785.13

Finding the Fourth Proportional to 26,565.83, 39,857.97 and 11,785.13

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Solution

The fourth proportional to 26,565.83, 39,857.97 and 11,785.13 is: 17,681.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,565.83 : 39,857.97 = 11,785.13 : x
  2. Step 2: Convert to fraction form
    26,565.83/39,857.97 = 11,785.13/x
  3. Step 3: Cross multiply
    26,565.83x = 39,857.97 × 11,785.13
  4. Step 4: Simplify right side
    26,565.83x = 469,731,352.36
  5. Step 5: Solve for x
    x = 469,731,352.36/26,565.83
  6. Step 6: Final answer
    x = 17,681.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.