Home / 13,552.20-18,701.19-7,582.86

Finding the Fourth Proportional to 13,552.20, 18,701.19 and 7,582.86

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Solution

The fourth proportional to 13,552.20, 18,701.19 and 7,582.86 is: 10,463.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.20 : 18,701.19 = 7,582.86 : x
  2. Step 2: Convert to fraction form
    13,552.20/18,701.19 = 7,582.86/x
  3. Step 3: Cross multiply
    13,552.20x = 18,701.19 × 7,582.86
  4. Step 4: Simplify right side
    13,552.20x = 141,808,505.60
  5. Step 5: Solve for x
    x = 141,808,505.60/13,552.20
  6. Step 6: Final answer
    x = 10,463.87

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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.