Home / 22,828.24-31,500.30-12,757.12

Finding the Fourth Proportional to 22,828.24, 31,500.30 and 12,757.12

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Solution

The fourth proportional to 22,828.24, 31,500.30 and 12,757.12 is: 17,603.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,828.24 : 31,500.30 = 12,757.12 : x
  2. Step 2: Convert to fraction form
    22,828.24/31,500.30 = 12,757.12/x
  3. Step 3: Cross multiply
    22,828.24x = 31,500.30 × 12,757.12
  4. Step 4: Simplify right side
    22,828.24x = 401,853,107.14
  5. Step 5: Solve for x
    x = 401,853,107.14/22,828.24
  6. Step 6: Final answer
    x = 17,603.33

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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.