Home / 22,253.15-30,695.52-13,757.87

Finding the Fourth Proportional to 22,253.15, 30,695.52 and 13,757.87

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Solution

The fourth proportional to 22,253.15, 30,695.52 and 13,757.87 is: 18,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,253.15 : 30,695.52 = 13,757.87 : x
  2. Step 2: Convert to fraction form
    22,253.15/30,695.52 = 13,757.87/x
  3. Step 3: Cross multiply
    22,253.15x = 30,695.52 × 13,757.87
  4. Step 4: Simplify right side
    22,253.15x = 422,305,102.07
  5. Step 5: Solve for x
    x = 422,305,102.07/22,253.15
  6. Step 6: Final answer
    x = 18,977.32

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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.