Home / 20,723.52-28,600.07-11,773.83

Finding the Fourth Proportional to 20,723.52, 28,600.07 and 11,773.83

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Solution

The fourth proportional to 20,723.52, 28,600.07 and 11,773.83 is: 16,248.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723.52 : 28,600.07 = 11,773.83 : x
  2. Step 2: Convert to fraction form
    20,723.52/28,600.07 = 11,773.83/x
  3. Step 3: Cross multiply
    20,723.52x = 28,600.07 × 11,773.83
  4. Step 4: Simplify right side
    20,723.52x = 336,732,303.30
  5. Step 5: Solve for x
    x = 336,732,303.30/20,723.52
  6. Step 6: Final answer
    x = 16,248.80

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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.