Home / 16,781.24-23,159.59-9,228.91

Finding the Fourth Proportional to 16,781.24, 23,159.59 and 9,228.91

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Solution

The fourth proportional to 16,781.24, 23,159.59 and 9,228.91 is: 12,736.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.24 : 23,159.59 = 9,228.91 : x
  2. Step 2: Convert to fraction form
    16,781.24/23,159.59 = 9,228.91/x
  3. Step 3: Cross multiply
    16,781.24x = 23,159.59 × 9,228.91
  4. Step 4: Simplify right side
    16,781.24x = 213,737,699.26
  5. Step 5: Solve for x
    x = 213,737,699.26/16,781.24
  6. Step 6: Final answer
    x = 12,736.70

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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.