Home / 25,230.27-34,815.96-15,020.76

Finding the Fourth Proportional to 25,230.27, 34,815.96 and 15,020.76

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Solution

The fourth proportional to 25,230.27, 34,815.96 and 15,020.76 is: 20,727.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,230.27 : 34,815.96 = 15,020.76 : x
  2. Step 2: Convert to fraction form
    25,230.27/34,815.96 = 15,020.76/x
  3. Step 3: Cross multiply
    25,230.27x = 34,815.96 × 15,020.76
  4. Step 4: Simplify right side
    25,230.27x = 522,962,179.33
  5. Step 5: Solve for x
    x = 522,962,179.33/25,230.27
  6. Step 6: Final answer
    x = 20,727.57

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Double scale
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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.