Home / 18,398.44-27,456.27-16,430.04

Finding the Fourth Proportional to 18,398.44, 27,456.27 and 16,430.04

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Solution

The fourth proportional to 18,398.44, 27,456.27 and 16,430.04 is: 24,518.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.44 : 27,456.27 = 16,430.04 : x
  2. Step 2: Convert to fraction form
    18,398.44/27,456.27 = 16,430.04/x
  3. Step 3: Cross multiply
    18,398.44x = 27,456.27 × 16,430.04
  4. Step 4: Simplify right side
    18,398.44x = 451,107,614.35
  5. Step 5: Solve for x
    x = 451,107,614.35/18,398.44
  6. Step 6: Final answer
    x = 24,518.80

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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.