Home / 22,452.08-30,985.94-12,893.21

Finding the Fourth Proportional to 22,452.08, 30,985.94 and 12,893.21

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Solution

The fourth proportional to 22,452.08, 30,985.94 and 12,893.21 is: 17,793.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,452.08 : 30,985.94 = 12,893.21 : x
  2. Step 2: Convert to fraction form
    22,452.08/30,985.94 = 12,893.21/x
  3. Step 3: Cross multiply
    22,452.08x = 30,985.94 × 12,893.21
  4. Step 4: Simplify right side
    22,452.08x = 399,508,224.97
  5. Step 5: Solve for x
    x = 399,508,224.97/22,452.08
  6. Step 6: Final answer
    x = 17,793.82

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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.