Home / 14,977.28-22,468.80-5,742.56

Finding the Fourth Proportional to 14,977.28, 22,468.80 and 5,742.56

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Solution

The fourth proportional to 14,977.28, 22,468.80 and 5,742.56 is: 8,614.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.28 : 22,468.80 = 5,742.56 : x
  2. Step 2: Convert to fraction form
    14,977.28/22,468.80 = 5,742.56/x
  3. Step 3: Cross multiply
    14,977.28x = 22,468.80 × 5,742.56
  4. Step 4: Simplify right side
    14,977.28x = 129,028,509.83
  5. Step 5: Solve for x
    x = 129,028,509.83/14,977.28
  6. Step 6: Final answer
    x = 8,614.95

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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.