Home / 14,272.24-21,404.20-5,040.88

Finding the Fourth Proportional to 14,272.24, 21,404.20 and 5,040.88

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Solution

The fourth proportional to 14,272.24, 21,404.20 and 5,040.88 is: 7,559.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.24 : 21,404.20 = 5,040.88 : x
  2. Step 2: Convert to fraction form
    14,272.24/21,404.20 = 5,040.88/x
  3. Step 3: Cross multiply
    14,272.24x = 21,404.20 × 5,040.88
  4. Step 4: Simplify right side
    14,272.24x = 107,896,003.70
  5. Step 5: Solve for x
    x = 107,896,003.70/14,272.24
  6. Step 6: Final answer
    x = 7,559.85

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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.