Home / 15,781.24-23,652.42-11,558.08

Finding the Fourth Proportional to 15,781.24, 23,652.42 and 11,558.08

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Solution

The fourth proportional to 15,781.24, 23,652.42 and 11,558.08 is: 17,322.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,781.24 : 23,652.42 = 11,558.08 : x
  2. Step 2: Convert to fraction form
    15,781.24/23,652.42 = 11,558.08/x
  3. Step 3: Cross multiply
    15,781.24x = 23,652.42 × 11,558.08
  4. Step 4: Simplify right side
    15,781.24x = 273,376,562.55
  5. Step 5: Solve for x
    x = 273,376,562.55/15,781.24
  6. Step 6: Final answer
    x = 17,322.88

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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.