Home / 15,108.30-22,654.67-6,781.18

Finding the Fourth Proportional to 15,108.30, 22,654.67 and 6,781.18

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Solution

The fourth proportional to 15,108.30, 22,654.67 and 6,781.18 is: 10,168.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.30 : 22,654.67 = 6,781.18 : x
  2. Step 2: Convert to fraction form
    15,108.30/22,654.67 = 6,781.18/x
  3. Step 3: Cross multiply
    15,108.30x = 22,654.67 × 6,781.18
  4. Step 4: Simplify right side
    15,108.30x = 153,625,412.06
  5. Step 5: Solve for x
    x = 153,625,412.06/15,108.30
  6. Step 6: Final answer
    x = 10,168.28

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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.