Home / 18,350.21-25,323.42-9,966.71

Finding the Fourth Proportional to 18,350.21, 25,323.42 and 9,966.71

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Solution

The fourth proportional to 18,350.21, 25,323.42 and 9,966.71 is: 13,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.21 : 25,323.42 = 9,966.71 : x
  2. Step 2: Convert to fraction form
    18,350.21/25,323.42 = 9,966.71/x
  3. Step 3: Cross multiply
    18,350.21x = 25,323.42 × 9,966.71
  4. Step 4: Simplify right side
    18,350.21x = 252,391,056.73
  5. Step 5: Solve for x
    x = 252,391,056.73/18,350.21
  6. Step 6: Final answer
    x = 13,754.13

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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.