Home / 20,714.76-31,062.51-6,672.15

Finding the Fourth Proportional to 20,714.76, 31,062.51 and 6,672.15

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Solution

The fourth proportional to 20,714.76, 31,062.51 and 6,672.15 is: 10,005.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,714.76 : 31,062.51 = 6,672.15 : x
  2. Step 2: Convert to fraction form
    20,714.76/31,062.51 = 6,672.15/x
  3. Step 3: Cross multiply
    20,714.76x = 31,062.51 × 6,672.15
  4. Step 4: Simplify right side
    20,714.76x = 207,253,726.10
  5. Step 5: Solve for x
    x = 207,253,726.10/20,714.76
  6. Step 6: Final answer
    x = 10,005.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.