Home / 23,689.86-32,691.16-13,079.46

Finding the Fourth Proportional to 23,689.86, 32,691.16 and 13,079.46

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Solution

The fourth proportional to 23,689.86, 32,691.16 and 13,079.46 is: 18,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,689.86 : 32,691.16 = 13,079.46 : x
  2. Step 2: Convert to fraction form
    23,689.86/32,691.16 = 13,079.46/x
  3. Step 3: Cross multiply
    23,689.86x = 32,691.16 × 13,079.46
  4. Step 4: Simplify right side
    23,689.86x = 427,582,719.57
  5. Step 5: Solve for x
    x = 427,582,719.57/23,689.86
  6. Step 6: Final answer
    x = 18,049.19

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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.