Home / 23,301.77-32,156.80-12,691.42

Finding the Fourth Proportional to 23,301.77, 32,156.80 and 12,691.42

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Solution

The fourth proportional to 23,301.77, 32,156.80 and 12,691.42 is: 17,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,301.77 : 32,156.80 = 12,691.42 : x
  2. Step 2: Convert to fraction form
    23,301.77/32,156.80 = 12,691.42/x
  3. Step 3: Cross multiply
    23,301.77x = 32,156.80 × 12,691.42
  4. Step 4: Simplify right side
    23,301.77x = 408,115,342.54
  5. Step 5: Solve for x
    x = 408,115,342.54/23,301.77
  6. Step 6: Final answer
    x = 17,514.35

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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.