Home / 15,964.12-22,029.44-9,249.20

Finding the Fourth Proportional to 15,964.12, 22,029.44 and 9,249.20

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Solution

The fourth proportional to 15,964.12, 22,029.44 and 9,249.20 is: 12,763.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,964.12 : 22,029.44 = 9,249.20 : x
  2. Step 2: Convert to fraction form
    15,964.12/22,029.44 = 9,249.20/x
  3. Step 3: Cross multiply
    15,964.12x = 22,029.44 × 9,249.20
  4. Step 4: Simplify right side
    15,964.12x = 203,754,696.45
  5. Step 5: Solve for x
    x = 203,754,696.45/15,964.12
  6. Step 6: Final answer
    x = 12,763.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.