Home / 18,347.18-25,321.92-14,799.38

Finding the Fourth Proportional to 18,347.18, 25,321.92 and 14,799.38

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Solution

The fourth proportional to 18,347.18, 25,321.92 and 14,799.38 is: 20,425.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.18 : 25,321.92 = 14,799.38 : x
  2. Step 2: Convert to fraction form
    18,347.18/25,321.92 = 14,799.38/x
  3. Step 3: Cross multiply
    18,347.18x = 25,321.92 × 14,799.38
  4. Step 4: Simplify right side
    18,347.18x = 374,748,716.41
  5. Step 5: Solve for x
    x = 374,748,716.41/18,347.18
  6. Step 6: Final answer
    x = 20,425.41

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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.