Home / 23,185.59-34,781.10-7,385.09

Finding the Fourth Proportional to 23,185.59, 34,781.10 and 7,385.09

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Solution

The fourth proportional to 23,185.59, 34,781.10 and 7,385.09 is: 11,078.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,185.59 : 34,781.10 = 7,385.09 : x
  2. Step 2: Convert to fraction form
    23,185.59/34,781.10 = 7,385.09/x
  3. Step 3: Cross multiply
    23,185.59x = 34,781.10 × 7,385.09
  4. Step 4: Simplify right side
    23,185.59x = 256,861,553.80
  5. Step 5: Solve for x
    x = 256,861,553.80/23,185.59
  6. Step 6: Final answer
    x = 11,078.50

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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.