Home / 25,824.95-38,706.25-13,338.15

Finding the Fourth Proportional to 25,824.95, 38,706.25 and 13,338.15

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Solution

The fourth proportional to 25,824.95, 38,706.25 and 13,338.15 is: 19,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,824.95 : 38,706.25 = 13,338.15 : x
  2. Step 2: Convert to fraction form
    25,824.95/38,706.25 = 13,338.15/x
  3. Step 3: Cross multiply
    25,824.95x = 38,706.25 × 13,338.15
  4. Step 4: Simplify right side
    25,824.95x = 516,269,768.44
  5. Step 5: Solve for x
    x = 516,269,768.44/25,824.95
  6. Step 6: Final answer
    x = 19,991.12

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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.