Home / 15,982.49-22,046.80-10,003.77

Finding the Fourth Proportional to 15,982.49, 22,046.80 and 10,003.77

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Solution

The fourth proportional to 15,982.49, 22,046.80 and 10,003.77 is: 13,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,982.49 : 22,046.80 = 10,003.77 : x
  2. Step 2: Convert to fraction form
    15,982.49/22,046.80 = 10,003.77/x
  3. Step 3: Cross multiply
    15,982.49x = 22,046.80 × 10,003.77
  4. Step 4: Simplify right side
    15,982.49x = 220,551,174.10
  5. Step 5: Solve for x
    x = 220,551,174.10/15,982.49
  6. Step 6: Final answer
    x = 13,799.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.