Home / 23,322.78-32,186.10-13,251.78

Finding the Fourth Proportional to 23,322.78, 32,186.10 and 13,251.78

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Solution

The fourth proportional to 23,322.78, 32,186.10 and 13,251.78 is: 18,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,322.78 : 32,186.10 = 13,251.78 : x
  2. Step 2: Convert to fraction form
    23,322.78/32,186.10 = 13,251.78/x
  3. Step 3: Cross multiply
    23,322.78x = 32,186.10 × 13,251.78
  4. Step 4: Simplify right side
    23,322.78x = 426,523,116.26
  5. Step 5: Solve for x
    x = 426,523,116.26/23,322.78
  6. Step 6: Final answer
    x = 18,287.83

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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.