Home / 14,475.10-21,714.96-6,155.20

Finding the Fourth Proportional to 14,475.10, 21,714.96 and 6,155.20

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Solution

The fourth proportional to 14,475.10, 21,714.96 and 6,155.20 is: 9,233.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.10 : 21,714.96 = 6,155.20 : x
  2. Step 2: Convert to fraction form
    14,475.10/21,714.96 = 6,155.20/x
  3. Step 3: Cross multiply
    14,475.10x = 21,714.96 × 6,155.20
  4. Step 4: Simplify right side
    14,475.10x = 133,659,921.79
  5. Step 5: Solve for x
    x = 133,659,921.79/14,475.10
  6. Step 6: Final answer
    x = 9,233.78

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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.