Home / 16,825.87-25,237.89-5,138.17

Finding the Fourth Proportional to 16,825.87, 25,237.89 and 5,138.17

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Solution

The fourth proportional to 16,825.87, 25,237.89 and 5,138.17 is: 7,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,825.87 : 25,237.89 = 5,138.17 : x
  2. Step 2: Convert to fraction form
    16,825.87/25,237.89 = 5,138.17/x
  3. Step 3: Cross multiply
    16,825.87x = 25,237.89 × 5,138.17
  4. Step 4: Simplify right side
    16,825.87x = 129,676,543.57
  5. Step 5: Solve for x
    x = 129,676,543.57/16,825.87
  6. Step 6: Final answer
    x = 7,706.98

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1.5x scale

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.