Home / 14,538.12-21,810.96-4,149.87

Finding the Fourth Proportional to 14,538.12, 21,810.96 and 4,149.87

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Solution

The fourth proportional to 14,538.12, 21,810.96 and 4,149.87 is: 6,225.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,538.12 : 21,810.96 = 4,149.87 : x
  2. Step 2: Convert to fraction form
    14,538.12/21,810.96 = 4,149.87/x
  3. Step 3: Cross multiply
    14,538.12x = 21,810.96 × 4,149.87
  4. Step 4: Simplify right side
    14,538.12x = 90,512,648.58
  5. Step 5: Solve for x
    x = 90,512,648.58/14,538.12
  6. Step 6: Final answer
    x = 6,225.88

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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.