Home / 27,543.50-38,019.04-16,212.86

Finding the Fourth Proportional to 27,543.50, 38,019.04 and 16,212.86

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Solution

The fourth proportional to 27,543.50, 38,019.04 and 16,212.86 is: 22,379.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.50 : 38,019.04 = 16,212.86 : x
  2. Step 2: Convert to fraction form
    27,543.50/38,019.04 = 16,212.86/x
  3. Step 3: Cross multiply
    27,543.50x = 38,019.04 × 16,212.86
  4. Step 4: Simplify right side
    27,543.50x = 616,397,372.85
  5. Step 5: Solve for x
    x = 616,397,372.85/27,543.50
  6. Step 6: Final answer
    x = 22,379.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.