Home / 22,164.08-30,587.16-13,213.04

Finding the Fourth Proportional to 22,164.08, 30,587.16 and 13,213.04

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Solution

The fourth proportional to 22,164.08, 30,587.16 and 13,213.04 is: 18,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,164.08 : 30,587.16 = 13,213.04 : x
  2. Step 2: Convert to fraction form
    22,164.08/30,587.16 = 13,213.04/x
  3. Step 3: Cross multiply
    22,164.08x = 30,587.16 × 13,213.04
  4. Step 4: Simplify right side
    22,164.08x = 404,149,368.57
  5. Step 5: Solve for x
    x = 404,149,368.57/22,164.08
  6. Step 6: Final answer
    x = 18,234.43

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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.