Home / 15,475.29-23,213.75-3,788.61

Finding the Fourth Proportional to 15,475.29, 23,213.75 and 3,788.61

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Solution

The fourth proportional to 15,475.29, 23,213.75 and 3,788.61 is: 5,683.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,475.29 : 23,213.75 = 3,788.61 : x
  2. Step 2: Convert to fraction form
    15,475.29/23,213.75 = 3,788.61/x
  3. Step 3: Cross multiply
    15,475.29x = 23,213.75 × 3,788.61
  4. Step 4: Simplify right side
    15,475.29x = 87,947,826.44
  5. Step 5: Solve for x
    x = 87,947,826.44/15,475.29
  6. Step 6: Final answer
    x = 5,683.11

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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.