Home / 13,953.20-20,932.38-4,593.78

Finding the Fourth Proportional to 13,953.20, 20,932.38 and 4,593.78

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Solution

The fourth proportional to 13,953.20, 20,932.38 and 4,593.78 is: 6,891.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,953.20 : 20,932.38 = 4,593.78 : x
  2. Step 2: Convert to fraction form
    13,953.20/20,932.38 = 4,593.78/x
  3. Step 3: Cross multiply
    13,953.20x = 20,932.38 × 4,593.78
  4. Step 4: Simplify right side
    13,953.20x = 96,158,748.60
  5. Step 5: Solve for x
    x = 96,158,748.60/13,953.20
  6. Step 6: Final answer
    x = 6,891.52

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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.