Home / 15,143.10-22,714.64-4,049.20

Finding the Fourth Proportional to 15,143.10, 22,714.64 and 4,049.20

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Solution

The fourth proportional to 15,143.10, 22,714.64 and 4,049.20 is: 6,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,143.10 : 22,714.64 = 4,049.20 : x
  2. Step 2: Convert to fraction form
    15,143.10/22,714.64 = 4,049.20/x
  3. Step 3: Cross multiply
    15,143.10x = 22,714.64 × 4,049.20
  4. Step 4: Simplify right side
    15,143.10x = 91,976,120.29
  5. Step 5: Solve for x
    x = 91,976,120.29/15,143.10
  6. Step 6: Final answer
    x = 6,073.80

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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.