Home / 19,402.85-29,098.20-12,863.72

Finding the Fourth Proportional to 19,402.85, 29,098.20 and 12,863.72

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Solution

The fourth proportional to 19,402.85, 29,098.20 and 12,863.72 is: 19,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.85 : 29,098.20 = 12,863.72 : x
  2. Step 2: Convert to fraction form
    19,402.85/29,098.20 = 12,863.72/x
  3. Step 3: Cross multiply
    19,402.85x = 29,098.20 × 12,863.72
  4. Step 4: Simplify right side
    19,402.85x = 374,311,218.29
  5. Step 5: Solve for x
    x = 374,311,218.29/19,402.85
  6. Step 6: Final answer
    x = 19,291.56

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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.