Home / 15,728.92-23,588.31-5,196.55

Finding the Fourth Proportional to 15,728.92, 23,588.31 and 5,196.55

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Solution

The fourth proportional to 15,728.92, 23,588.31 and 5,196.55 is: 7,793.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,728.92 : 23,588.31 = 5,196.55 : x
  2. Step 2: Convert to fraction form
    15,728.92/23,588.31 = 5,196.55/x
  3. Step 3: Cross multiply
    15,728.92x = 23,588.31 × 5,196.55
  4. Step 4: Simplify right side
    15,728.92x = 122,577,832.33
  5. Step 5: Solve for x
    x = 122,577,832.33/15,728.92
  6. Step 6: Final answer
    x = 7,793.15

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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.