Home / 20,184.54-27,854.55-11,800.86

Finding the Fourth Proportional to 20,184.54, 27,854.55 and 11,800.86

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Solution

The fourth proportional to 20,184.54, 27,854.55 and 11,800.86 is: 16,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,184.54 : 27,854.55 = 11,800.86 : x
  2. Step 2: Convert to fraction form
    20,184.54/27,854.55 = 11,800.86/x
  3. Step 3: Cross multiply
    20,184.54x = 27,854.55 × 11,800.86
  4. Step 4: Simplify right side
    20,184.54x = 328,707,644.91
  5. Step 5: Solve for x
    x = 328,707,644.91/20,184.54
  6. Step 6: Final answer
    x = 16,285.12

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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.