Home / 23,691.12-32,690.80-13,080.68

Finding the Fourth Proportional to 23,691.12, 32,690.80 and 13,080.68

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Solution

The fourth proportional to 23,691.12, 32,690.80 and 13,080.68 is: 18,049.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,691.12 : 32,690.80 = 13,080.68 : x
  2. Step 2: Convert to fraction form
    23,691.12/32,690.80 = 13,080.68/x
  3. Step 3: Cross multiply
    23,691.12x = 32,690.80 × 13,080.68
  4. Step 4: Simplify right side
    23,691.12x = 427,617,893.74
  5. Step 5: Solve for x
    x = 427,617,893.74/23,691.12
  6. Step 6: Final answer
    x = 18,049.71

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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.