Home / 15,320.16-22,982.44-5,456.56

Finding the Fourth Proportional to 15,320.16, 22,982.44 and 5,456.56

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Solution

The fourth proportional to 15,320.16, 22,982.44 and 5,456.56 is: 8,185.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,320.16 : 22,982.44 = 5,456.56 : x
  2. Step 2: Convert to fraction form
    15,320.16/22,982.44 = 5,456.56/x
  3. Step 3: Cross multiply
    15,320.16x = 22,982.44 × 5,456.56
  4. Step 4: Simplify right side
    15,320.16x = 125,405,062.81
  5. Step 5: Solve for x
    x = 125,405,062.81/15,320.16
  6. Step 6: Final answer
    x = 8,185.62

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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.