Home / 15,316.89-22,972.50-5,456.49

Finding the Fourth Proportional to 15,316.89, 22,972.50 and 5,456.49

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Solution

The fourth proportional to 15,316.89, 22,972.50 and 5,456.49 is: 8,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,316.89 : 22,972.50 = 5,456.49 : x
  2. Step 2: Convert to fraction form
    15,316.89/22,972.50 = 5,456.49/x
  3. Step 3: Cross multiply
    15,316.89x = 22,972.50 × 5,456.49
  4. Step 4: Simplify right side
    15,316.89x = 125,349,216.53
  5. Step 5: Solve for x
    x = 125,349,216.53/15,316.89
  6. Step 6: Final answer
    x = 8,183.73

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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.