Home / 17,781.77-26,689.40-9,022.97

Finding the Fourth Proportional to 17,781.77, 26,689.40 and 9,022.97

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Solution

The fourth proportional to 17,781.77, 26,689.40 and 9,022.97 is: 13,542.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.77 : 26,689.40 = 9,022.97 : x
  2. Step 2: Convert to fraction form
    17,781.77/26,689.40 = 9,022.97/x
  3. Step 3: Cross multiply
    17,781.77x = 26,689.40 × 9,022.97
  4. Step 4: Simplify right side
    17,781.77x = 240,817,610.40
  5. Step 5: Solve for x
    x = 240,817,610.40/17,781.77
  6. Step 6: Final answer
    x = 13,542.95

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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.