Home / 18,500.20-25,499.18-14,022.52

Finding the Fourth Proportional to 18,500.20, 25,499.18 and 14,022.52

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Solution

The fourth proportional to 18,500.20, 25,499.18 and 14,022.52 is: 19,327.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,500.20 : 25,499.18 = 14,022.52 : x
  2. Step 2: Convert to fraction form
    18,500.20/25,499.18 = 14,022.52/x
  3. Step 3: Cross multiply
    18,500.20x = 25,499.18 × 14,022.52
  4. Step 4: Simplify right side
    18,500.20x = 357,562,761.53
  5. Step 5: Solve for x
    x = 357,562,761.53/18,500.20
  6. Step 6: Final answer
    x = 19,327.51

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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.