Home / 22,149.24-30,564.79-12,587.85

Finding the Fourth Proportional to 22,149.24, 30,564.79 and 12,587.85

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Solution

The fourth proportional to 22,149.24, 30,564.79 and 12,587.85 is: 17,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,149.24 : 30,564.79 = 12,587.85 : x
  2. Step 2: Convert to fraction form
    22,149.24/30,564.79 = 12,587.85/x
  3. Step 3: Cross multiply
    22,149.24x = 30,564.79 × 12,587.85
  4. Step 4: Simplify right side
    22,149.24x = 384,744,960.33
  5. Step 5: Solve for x
    x = 384,744,960.33/22,149.24
  6. Step 6: Final answer
    x = 17,370.57

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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.