Home / 25,583.68-38,381.28-10,005.76

Finding the Fourth Proportional to 25,583.68, 38,381.28 and 10,005.76

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Solution

The fourth proportional to 25,583.68, 38,381.28 and 10,005.76 is: 15,010.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,583.68 : 38,381.28 = 10,005.76 : x
  2. Step 2: Convert to fraction form
    25,583.68/38,381.28 = 10,005.76/x
  3. Step 3: Cross multiply
    25,583.68x = 38,381.28 × 10,005.76
  4. Step 4: Simplify right side
    25,583.68x = 384,033,876.17
  5. Step 5: Solve for x
    x = 384,033,876.17/25,583.68
  6. Step 6: Final answer
    x = 15,010.89

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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.