Home / 15,129.96-22,694.92-4,742.52

Finding the Fourth Proportional to 15,129.96, 22,694.92 and 4,742.52

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Solution

The fourth proportional to 15,129.96, 22,694.92 and 4,742.52 is: 7,113.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.96 : 22,694.92 = 4,742.52 : x
  2. Step 2: Convert to fraction form
    15,129.96/22,694.92 = 4,742.52/x
  3. Step 3: Cross multiply
    15,129.96x = 22,694.92 × 4,742.52
  4. Step 4: Simplify right side
    15,129.96x = 107,631,112.00
  5. Step 5: Solve for x
    x = 107,631,112.00/15,129.96
  6. Step 6: Final answer
    x = 7,113.77

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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.