Home / 15,670.87-23,505.20-7,352.71

Finding the Fourth Proportional to 15,670.87, 23,505.20 and 7,352.71

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Solution

The fourth proportional to 15,670.87, 23,505.20 and 7,352.71 is: 11,028.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,670.87 : 23,505.20 = 7,352.71 : x
  2. Step 2: Convert to fraction form
    15,670.87/23,505.20 = 7,352.71/x
  3. Step 3: Cross multiply
    15,670.87x = 23,505.20 × 7,352.71
  4. Step 4: Simplify right side
    15,670.87x = 172,826,851.14
  5. Step 5: Solve for x
    x = 172,826,851.14/15,670.87
  6. Step 6: Final answer
    x = 11,028.54

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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.