Home / 20,110.23-27,752.86-12,150.92

Finding the Fourth Proportional to 20,110.23, 27,752.86 and 12,150.92

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Solution

The fourth proportional to 20,110.23, 27,752.86 and 12,150.92 is: 16,768.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110.23 : 27,752.86 = 12,150.92 : x
  2. Step 2: Convert to fraction form
    20,110.23/27,752.86 = 12,150.92/x
  3. Step 3: Cross multiply
    20,110.23x = 27,752.86 × 12,150.92
  4. Step 4: Simplify right side
    20,110.23x = 337,222,781.63
  5. Step 5: Solve for x
    x = 337,222,781.63/20,110.23
  6. Step 6: Final answer
    x = 16,768.72

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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.