Home / 18,391.44-27,445.84-16,423.04

Finding the Fourth Proportional to 18,391.44, 27,445.84 and 16,423.04

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Solution

The fourth proportional to 18,391.44, 27,445.84 and 16,423.04 is: 24,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.44 : 27,445.84 = 16,423.04 : x
  2. Step 2: Convert to fraction form
    18,391.44/27,445.84 = 16,423.04/x
  3. Step 3: Cross multiply
    18,391.44x = 27,445.84 × 16,423.04
  4. Step 4: Simplify right side
    18,391.44x = 450,744,128.15
  5. Step 5: Solve for x
    x = 450,744,128.15/18,391.44
  6. Step 6: Final answer
    x = 24,508.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.