Home / 15,117.80-22,676.70-11,229.80

Finding the Fourth Proportional to 15,117.80, 22,676.70 and 11,229.80

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Solution

The fourth proportional to 15,117.80, 22,676.70 and 11,229.80 is: 16,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,117.80 : 22,676.70 = 11,229.80 : x
  2. Step 2: Convert to fraction form
    15,117.80/22,676.70 = 11,229.80/x
  3. Step 3: Cross multiply
    15,117.80x = 22,676.70 × 11,229.80
  4. Step 4: Simplify right side
    15,117.80x = 254,654,805.66
  5. Step 5: Solve for x
    x = 254,654,805.66/15,117.80
  6. Step 6: Final answer
    x = 16,844.70

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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.