Home / 22,841.96-31,516.98-13,408.04

Finding the Fourth Proportional to 22,841.96, 31,516.98 and 13,408.04

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Solution

The fourth proportional to 22,841.96, 31,516.98 and 13,408.04 is: 18,500.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,841.96 : 31,516.98 = 13,408.04 : x
  2. Step 2: Convert to fraction form
    22,841.96/31,516.98 = 13,408.04/x
  3. Step 3: Cross multiply
    22,841.96x = 31,516.98 × 13,408.04
  4. Step 4: Simplify right side
    22,841.96x = 422,580,928.52
  5. Step 5: Solve for x
    x = 422,580,928.52/22,841.96
  6. Step 6: Final answer
    x = 18,500.20

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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.