Home / 16,759.90-25,142.94-5,515.87

Finding the Fourth Proportional to 16,759.90, 25,142.94 and 5,515.87

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Solution

The fourth proportional to 16,759.90, 25,142.94 and 5,515.87 is: 8,274.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,759.90 : 25,142.94 = 5,515.87 : x
  2. Step 2: Convert to fraction form
    16,759.90/25,142.94 = 5,515.87/x
  3. Step 3: Cross multiply
    16,759.90x = 25,142.94 × 5,515.87
  4. Step 4: Simplify right side
    16,759.90x = 138,685,188.46
  5. Step 5: Solve for x
    x = 138,685,188.46/16,759.90
  6. Step 6: Final answer
    x = 8,274.82

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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.