Home / 15,219.28-22,830.75-5,857.12

Finding the Fourth Proportional to 15,219.28, 22,830.75 and 5,857.12

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Solution

The fourth proportional to 15,219.28, 22,830.75 and 5,857.12 is: 8,786.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,219.28 : 22,830.75 = 5,857.12 : x
  2. Step 2: Convert to fraction form
    15,219.28/22,830.75 = 5,857.12/x
  3. Step 3: Cross multiply
    15,219.28x = 22,830.75 × 5,857.12
  4. Step 4: Simplify right side
    15,219.28x = 133,722,442.44
  5. Step 5: Solve for x
    x = 133,722,442.44/15,219.28
  6. Step 6: Final answer
    x = 8,786.38

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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.