Home / 22,549.08-31,107.78-13,591.29

Finding the Fourth Proportional to 22,549.08, 31,107.78 and 13,591.29

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Solution

The fourth proportional to 22,549.08, 31,107.78 and 13,591.29 is: 18,749.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,549.08 : 31,107.78 = 13,591.29 : x
  2. Step 2: Convert to fraction form
    22,549.08/31,107.78 = 13,591.29/x
  3. Step 3: Cross multiply
    22,549.08x = 31,107.78 × 13,591.29
  4. Step 4: Simplify right side
    22,549.08x = 422,794,859.24
  5. Step 5: Solve for x
    x = 422,794,859.24/22,549.08
  6. Step 6: Final answer
    x = 18,749.98

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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.