Home / 15,348.47-22,910.65-13,171.19

Finding the Fourth Proportional to 15,348.47, 22,910.65 and 13,171.19

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Solution

The fourth proportional to 15,348.47, 22,910.65 and 13,171.19 is: 19,660.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348.47 : 22,910.65 = 13,171.19 : x
  2. Step 2: Convert to fraction form
    15,348.47/22,910.65 = 13,171.19/x
  3. Step 3: Cross multiply
    15,348.47x = 22,910.65 × 13,171.19
  4. Step 4: Simplify right side
    15,348.47x = 301,760,524.17
  5. Step 5: Solve for x
    x = 301,760,524.17/15,348.47
  6. Step 6: Final answer
    x = 19,660.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.