Home / 15,812.85-23,711.99-4,716.66

Finding the Fourth Proportional to 15,812.85, 23,711.99 and 4,716.66

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Solution

The fourth proportional to 15,812.85, 23,711.99 and 4,716.66 is: 7,072.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,812.85 : 23,711.99 = 4,716.66 : x
  2. Step 2: Convert to fraction form
    15,812.85/23,711.99 = 4,716.66/x
  3. Step 3: Cross multiply
    15,812.85x = 23,711.99 × 4,716.66
  4. Step 4: Simplify right side
    15,812.85x = 111,841,371.17
  5. Step 5: Solve for x
    x = 111,841,371.17/15,812.85
  6. Step 6: Final answer
    x = 7,072.82

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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.