Home / 15,318.24-22,975.20-5,456.16

Finding the Fourth Proportional to 15,318.24, 22,975.20 and 5,456.16

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Solution

The fourth proportional to 15,318.24, 22,975.20 and 5,456.16 is: 8,183.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,318.24 : 22,975.20 = 5,456.16 : x
  2. Step 2: Convert to fraction form
    15,318.24/22,975.20 = 5,456.16/x
  3. Step 3: Cross multiply
    15,318.24x = 22,975.20 × 5,456.16
  4. Step 4: Simplify right side
    15,318.24x = 125,356,367.23
  5. Step 5: Solve for x
    x = 125,356,367.23/15,318.24
  6. Step 6: Final answer
    x = 8,183.47

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1.5x scale

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.