Home / 15,419.24-23,129.50-4,889.04

Finding the Fourth Proportional to 15,419.24, 23,129.50 and 4,889.04

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Solution

The fourth proportional to 15,419.24, 23,129.50 and 4,889.04 is: 7,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,419.24 : 23,129.50 = 4,889.04 : x
  2. Step 2: Convert to fraction form
    15,419.24/23,129.50 = 4,889.04/x
  3. Step 3: Cross multiply
    15,419.24x = 23,129.50 × 4,889.04
  4. Step 4: Simplify right side
    15,419.24x = 113,081,050.68
  5. Step 5: Solve for x
    x = 113,081,050.68/15,419.24
  6. Step 6: Final answer
    x = 7,333.76

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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.