Home / 16,778.57-25,167.27-4,298.70

Finding the Fourth Proportional to 16,778.57, 25,167.27 and 4,298.70

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Solution

The fourth proportional to 16,778.57, 25,167.27 and 4,298.70 is: 6,447.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.57 : 25,167.27 = 4,298.70 : x
  2. Step 2: Convert to fraction form
    16,778.57/25,167.27 = 4,298.70/x
  3. Step 3: Cross multiply
    16,778.57x = 25,167.27 × 4,298.70
  4. Step 4: Simplify right side
    16,778.57x = 108,186,449.17
  5. Step 5: Solve for x
    x = 108,186,449.17/16,778.57
  6. Step 6: Final answer
    x = 6,447.89

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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.