Home / 14,747.43-22,143.33-12,689.85

Finding the Fourth Proportional to 14,747.43, 22,143.33 and 12,689.85

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Solution

The fourth proportional to 14,747.43, 22,143.33 and 12,689.85 is: 19,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,747.43 : 22,143.33 = 12,689.85 : x
  2. Step 2: Convert to fraction form
    14,747.43/22,143.33 = 12,689.85/x
  3. Step 3: Cross multiply
    14,747.43x = 22,143.33 × 12,689.85
  4. Step 4: Simplify right side
    14,747.43x = 280,995,536.20
  5. Step 5: Solve for x
    x = 280,995,536.20/14,747.43
  6. Step 6: Final answer
    x = 19,053.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.