Home / 23,186.20-31,997.13-12,575.83

Finding the Fourth Proportional to 23,186.20, 31,997.13 and 12,575.83

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Solution

The fourth proportional to 23,186.20, 31,997.13 and 12,575.83 is: 17,354.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,186.20 : 31,997.13 = 12,575.83 : x
  2. Step 2: Convert to fraction form
    23,186.20/31,997.13 = 12,575.83/x
  3. Step 3: Cross multiply
    23,186.20x = 31,997.13 × 12,575.83
  4. Step 4: Simplify right side
    23,186.20x = 402,390,307.38
  5. Step 5: Solve for x
    x = 402,390,307.38/23,186.20
  6. Step 6: Final answer
    x = 17,354.74

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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.