Home / 18,567.72-27,861.16-12,332.04

Finding the Fourth Proportional to 18,567.72, 27,861.16 and 12,332.04

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Solution

The fourth proportional to 18,567.72, 27,861.16 and 12,332.04 is: 18,504.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.72 : 27,861.16 = 12,332.04 : x
  2. Step 2: Convert to fraction form
    18,567.72/27,861.16 = 12,332.04/x
  3. Step 3: Cross multiply
    18,567.72x = 27,861.16 × 12,332.04
  4. Step 4: Simplify right side
    18,567.72x = 343,584,939.57
  5. Step 5: Solve for x
    x = 343,584,939.57/18,567.72
  6. Step 6: Final answer
    x = 18,504.42

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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.