Home / 16,778.90-25,168.30-5,092.14

Finding the Fourth Proportional to 16,778.90, 25,168.30 and 5,092.14

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Solution

The fourth proportional to 16,778.90, 25,168.30 and 5,092.14 is: 7,638.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.90 : 25,168.30 = 5,092.14 : x
  2. Step 2: Convert to fraction form
    16,778.90/25,168.30 = 5,092.14/x
  3. Step 3: Cross multiply
    16,778.90x = 25,168.30 × 5,092.14
  4. Step 4: Simplify right side
    16,778.90x = 128,160,507.16
  5. Step 5: Solve for x
    x = 128,160,507.16/16,778.90
  6. Step 6: Final answer
    x = 7,638.19

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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.