Home / 15,926.25-23,889.38-5,538

Finding the Fourth Proportional to 15,926.25, 23,889.38 and 5,538

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Solution

The fourth proportional to 15,926.25, 23,889.38 and 5,538 is: 8,307

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,926.25 : 23,889.38 = 5,538 : x
  2. Step 2: Convert to fraction form
    15,926.25/23,889.38 = 5,538/x
  3. Step 3: Cross multiply
    15,926.25x = 23,889.38 × 5,538
  4. Step 4: Simplify right side
    15,926.25x = 132,299,358.75
  5. Step 5: Solve for x
    x = 132,299,358.75/15,926.25
  6. Step 6: Final answer
    x = 8,307

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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.