Home / 25,696.28-38,521.05-9,891.23

Finding the Fourth Proportional to 25,696.28, 38,521.05 and 9,891.23

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Solution

The fourth proportional to 25,696.28, 38,521.05 and 9,891.23 is: 14,827.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.28 : 38,521.05 = 9,891.23 : x
  2. Step 2: Convert to fraction form
    25,696.28/38,521.05 = 9,891.23/x
  3. Step 3: Cross multiply
    25,696.28x = 38,521.05 × 9,891.23
  4. Step 4: Simplify right side
    25,696.28x = 381,020,565.39
  5. Step 5: Solve for x
    x = 381,020,565.39/25,696.28
  6. Step 6: Final answer
    x = 14,827.85

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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.