Home / 25,716.74-38,543.28-15,176.07

Finding the Fourth Proportional to 25,716.74, 38,543.28 and 15,176.07

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Solution

The fourth proportional to 25,716.74, 38,543.28 and 15,176.07 is: 22,745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.74 : 38,543.28 = 15,176.07 : x
  2. Step 2: Convert to fraction form
    25,716.74/38,543.28 = 15,176.07/x
  3. Step 3: Cross multiply
    25,716.74x = 38,543.28 × 15,176.07
  4. Step 4: Simplify right side
    25,716.74x = 584,935,515.31
  5. Step 5: Solve for x
    x = 584,935,515.31/25,716.74
  6. Step 6: Final answer
    x = 22,745.33

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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.