Home / 18,350.47-25,323.51-9,966.97

Finding the Fourth Proportional to 18,350.47, 25,323.51 and 9,966.97

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Solution

The fourth proportional to 18,350.47, 25,323.51 and 9,966.97 is: 13,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.47 : 25,323.51 = 9,966.97 : x
  2. Step 2: Convert to fraction form
    18,350.47/25,323.51 = 9,966.97/x
  3. Step 3: Cross multiply
    18,350.47x = 25,323.51 × 9,966.97
  4. Step 4: Simplify right side
    18,350.47x = 252,398,664.46
  5. Step 5: Solve for x
    x = 252,398,664.46/18,350.47
  6. Step 6: Final answer
    x = 13,754.34

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Double scale
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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.