Home / 15,147.90-22,716.33-5,284.38

Finding the Fourth Proportional to 15,147.90, 22,716.33 and 5,284.38

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Solution

The fourth proportional to 15,147.90, 22,716.33 and 5,284.38 is: 7,924.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.90 : 22,716.33 = 5,284.38 : x
  2. Step 2: Convert to fraction form
    15,147.90/22,716.33 = 5,284.38/x
  3. Step 3: Cross multiply
    15,147.90x = 22,716.33 × 5,284.38
  4. Step 4: Simplify right side
    15,147.90x = 120,041,719.93
  5. Step 5: Solve for x
    x = 120,041,719.93/15,147.90
  6. Step 6: Final answer
    x = 7,924.64

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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.