Home / 13,042.47-17,998.28-7,299.84

Finding the Fourth Proportional to 13,042.47, 17,998.28 and 7,299.84

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Solution

The fourth proportional to 13,042.47, 17,998.28 and 7,299.84 is: 10,073.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.47 : 17,998.28 = 7,299.84 : x
  2. Step 2: Convert to fraction form
    13,042.47/17,998.28 = 7,299.84/x
  3. Step 3: Cross multiply
    13,042.47x = 17,998.28 × 7,299.84
  4. Step 4: Simplify right side
    13,042.47x = 131,384,437.78
  5. Step 5: Solve for x
    x = 131,384,437.78/13,042.47
  6. Step 6: Final answer
    x = 10,073.59

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Similar ratio
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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.