Home / 21,714.75-32,572.13-6,132.78

Finding the Fourth Proportional to 21,714.75, 32,572.13 and 6,132.78

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Solution

The fourth proportional to 21,714.75, 32,572.13 and 6,132.78 is: 9,199.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,714.75 : 32,572.13 = 6,132.78 : x
  2. Step 2: Convert to fraction form
    21,714.75/32,572.13 = 6,132.78/x
  3. Step 3: Cross multiply
    21,714.75x = 32,572.13 × 6,132.78
  4. Step 4: Simplify right side
    21,714.75x = 199,757,676.76
  5. Step 5: Solve for x
    x = 199,757,676.76/21,714.75
  6. Step 6: Final answer
    x = 9,199.17

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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.