Home / 18,208.96-27,306.88-12,370.56

Finding the Fourth Proportional to 18,208.96, 27,306.88 and 12,370.56

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Solution

The fourth proportional to 18,208.96, 27,306.88 and 12,370.56 is: 18,551.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.96 : 27,306.88 = 12,370.56 : x
  2. Step 2: Convert to fraction form
    18,208.96/27,306.88 = 12,370.56/x
  3. Step 3: Cross multiply
    18,208.96x = 27,306.88 × 12,370.56
  4. Step 4: Simplify right side
    18,208.96x = 337,801,397.45
  5. Step 5: Solve for x
    x = 337,801,397.45/18,208.96
  6. Step 6: Final answer
    x = 18,551.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.