Home / 14,475.20-21,714.55-5,113.30

Finding the Fourth Proportional to 14,475.20, 21,714.55 and 5,113.30

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Solution

The fourth proportional to 14,475.20, 21,714.55 and 5,113.30 is: 7,670.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,475.20 : 21,714.55 = 5,113.30 : x
  2. Step 2: Convert to fraction form
    14,475.20/21,714.55 = 5,113.30/x
  3. Step 3: Cross multiply
    14,475.20x = 21,714.55 × 5,113.30
  4. Step 4: Simplify right side
    14,475.20x = 111,033,057.42
  5. Step 5: Solve for x
    x = 111,033,057.42/14,475.20
  6. Step 6: Final answer
    x = 7,670.57

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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.