Home / 16,867.90-25,317.15-8,553.70

Finding the Fourth Proportional to 16,867.90, 25,317.15 and 8,553.70

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Solution

The fourth proportional to 16,867.90, 25,317.15 and 8,553.70 is: 12,838.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,867.90 : 25,317.15 = 8,553.70 : x
  2. Step 2: Convert to fraction form
    16,867.90/25,317.15 = 8,553.70/x
  3. Step 3: Cross multiply
    16,867.90x = 25,317.15 × 8,553.70
  4. Step 4: Simplify right side
    16,867.90x = 216,555,305.96
  5. Step 5: Solve for x
    x = 216,555,305.96/16,867.90
  6. Step 6: Final answer
    x = 12,838.31

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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.