Home / 18,541.56-27,751.68-13,609.92

Finding the Fourth Proportional to 18,541.56, 27,751.68 and 13,609.92

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Solution

The fourth proportional to 18,541.56, 27,751.68 and 13,609.92 is: 20,370.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,541.56 : 27,751.68 = 13,609.92 : x
  2. Step 2: Convert to fraction form
    18,541.56/27,751.68 = 13,609.92/x
  3. Step 3: Cross multiply
    18,541.56x = 27,751.68 × 13,609.92
  4. Step 4: Simplify right side
    18,541.56x = 377,698,144.67
  5. Step 5: Solve for x
    x = 377,698,144.67/18,541.56
  6. Step 6: Final answer
    x = 20,370.35

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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.