Home / 23,176.07-31,982.11-12,565.47

Finding the Fourth Proportional to 23,176.07, 31,982.11 and 12,565.47

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Solution

The fourth proportional to 23,176.07, 31,982.11 and 12,565.47 is: 17,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.07 : 31,982.11 = 12,565.47 : x
  2. Step 2: Convert to fraction form
    23,176.07/31,982.11 = 12,565.47/x
  3. Step 3: Cross multiply
    23,176.07x = 31,982.11 × 12,565.47
  4. Step 4: Simplify right side
    23,176.07x = 401,870,243.74
  5. Step 5: Solve for x
    x = 401,870,243.74/23,176.07
  6. Step 6: Final answer
    x = 17,339.88

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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.