Home / 25,836.13-38,751.32-7,117.57

Finding the Fourth Proportional to 25,836.13, 38,751.32 and 7,117.57

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Solution

The fourth proportional to 25,836.13, 38,751.32 and 7,117.57 is: 10,675.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,836.13 : 38,751.32 = 7,117.57 : x
  2. Step 2: Convert to fraction form
    25,836.13/38,751.32 = 7,117.57/x
  3. Step 3: Cross multiply
    25,836.13x = 38,751.32 × 7,117.57
  4. Step 4: Simplify right side
    25,836.13x = 275,815,197.10
  5. Step 5: Solve for x
    x = 275,815,197.10/25,836.13
  6. Step 6: Final answer
    x = 10,675.56

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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.