Home / 25,838.26-38,750.30-7,113.90

Finding the Fourth Proportional to 25,838.26, 38,750.30 and 7,113.90

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Solution

The fourth proportional to 25,838.26, 38,750.30 and 7,113.90 is: 10,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,838.26 : 38,750.30 = 7,113.90 : x
  2. Step 2: Convert to fraction form
    25,838.26/38,750.30 = 7,113.90/x
  3. Step 3: Cross multiply
    25,838.26x = 38,750.30 × 7,113.90
  4. Step 4: Simplify right side
    25,838.26x = 275,665,759.17
  5. Step 5: Solve for x
    x = 275,665,759.17/25,838.26
  6. Step 6: Final answer
    x = 10,668.90

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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.