Home / 13,652.77-20,479.56-5,332.45

Finding the Fourth Proportional to 13,652.77, 20,479.56 and 5,332.45

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Solution

The fourth proportional to 13,652.77, 20,479.56 and 5,332.45 is: 7,998.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.77 : 20,479.56 = 5,332.45 : x
  2. Step 2: Convert to fraction form
    13,652.77/20,479.56 = 5,332.45/x
  3. Step 3: Cross multiply
    13,652.77x = 20,479.56 × 5,332.45
  4. Step 4: Simplify right side
    13,652.77x = 109,206,229.72
  5. Step 5: Solve for x
    x = 109,206,229.72/13,652.77
  6. Step 6: Final answer
    x = 7,998.83

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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.