Home / 18,517.28-25,522.72-14,039.52

Finding the Fourth Proportional to 18,517.28, 25,522.72 and 14,039.52

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Solution

The fourth proportional to 18,517.28, 25,522.72 and 14,039.52 is: 19,350.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,517.28 : 25,522.72 = 14,039.52 : x
  2. Step 2: Convert to fraction form
    18,517.28/25,522.72 = 14,039.52/x
  3. Step 3: Cross multiply
    18,517.28x = 25,522.72 × 14,039.52
  4. Step 4: Simplify right side
    18,517.28x = 358,326,737.89
  5. Step 5: Solve for x
    x = 358,326,737.89/18,517.28
  6. Step 6: Final answer
    x = 19,350.94

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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.