Home / 23,001.08-31,740.96-12,791.42

Finding the Fourth Proportional to 23,001.08, 31,740.96 and 12,791.42

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Solution

The fourth proportional to 23,001.08, 31,740.96 and 12,791.42 is: 17,651.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,001.08 : 31,740.96 = 12,791.42 : x
  2. Step 2: Convert to fraction form
    23,001.08/31,740.96 = 12,791.42/x
  3. Step 3: Cross multiply
    23,001.08x = 31,740.96 × 12,791.42
  4. Step 4: Simplify right side
    23,001.08x = 406,011,950.56
  5. Step 5: Solve for x
    x = 406,011,950.56/23,001.08
  6. Step 6: Final answer
    x = 17,651.86

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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.