Home / 14,989.40-22,487.72-5,629.52

Finding the Fourth Proportional to 14,989.40, 22,487.72 and 5,629.52

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Solution

The fourth proportional to 14,989.40, 22,487.72 and 5,629.52 is: 8,445.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.40 : 22,487.72 = 5,629.52 : x
  2. Step 2: Convert to fraction form
    14,989.40/22,487.72 = 5,629.52/x
  3. Step 3: Cross multiply
    14,989.40x = 22,487.72 × 5,629.52
  4. Step 4: Simplify right side
    14,989.40x = 126,595,069.49
  5. Step 5: Solve for x
    x = 126,595,069.49/14,989.40
  6. Step 6: Final answer
    x = 8,445.64

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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.