Home / 14,542.56-20,077.20-9,237.60

Finding the Fourth Proportional to 14,542.56, 20,077.20 and 9,237.60

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Solution

The fourth proportional to 14,542.56, 20,077.20 and 9,237.60 is: 12,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.56 : 20,077.20 = 9,237.60 : x
  2. Step 2: Convert to fraction form
    14,542.56/20,077.20 = 9,237.60/x
  3. Step 3: Cross multiply
    14,542.56x = 20,077.20 × 9,237.60
  4. Step 4: Simplify right side
    14,542.56x = 185,465,142.72
  5. Step 5: Solve for x
    x = 185,465,142.72/14,542.56
  6. Step 6: Final answer
    x = 12,753.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.