Home / 25,884.75-38,799.43-13,392.19

Finding the Fourth Proportional to 25,884.75, 38,799.43 and 13,392.19

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Solution

The fourth proportional to 25,884.75, 38,799.43 and 13,392.19 is: 20,073.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,884.75 : 38,799.43 = 13,392.19 : x
  2. Step 2: Convert to fraction form
    25,884.75/38,799.43 = 13,392.19/x
  3. Step 3: Cross multiply
    25,884.75x = 38,799.43 × 13,392.19
  4. Step 4: Simplify right side
    25,884.75x = 519,609,338.45
  5. Step 5: Solve for x
    x = 519,609,338.45/25,884.75
  6. Step 6: Final answer
    x = 20,073.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.