Home / 18,350.66-25,350.11-14,352.56

Finding the Fourth Proportional to 18,350.66, 25,350.11 and 14,352.56

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Solution

The fourth proportional to 18,350.66, 25,350.11 and 14,352.56 is: 19,827.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.66 : 25,350.11 = 14,352.56 : x
  2. Step 2: Convert to fraction form
    18,350.66/25,350.11 = 14,352.56/x
  3. Step 3: Cross multiply
    18,350.66x = 25,350.11 × 14,352.56
  4. Step 4: Simplify right side
    18,350.66x = 363,838,974.78
  5. Step 5: Solve for x
    x = 363,838,974.78/18,350.66
  6. Step 6: Final answer
    x = 19,827.02

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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.