Home / 20,559.60-28,377.63-12,062.97

Finding the Fourth Proportional to 20,559.60, 28,377.63 and 12,062.97

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Solution

The fourth proportional to 20,559.60, 28,377.63 and 12,062.97 is: 16,650.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,559.60 : 28,377.63 = 12,062.97 : x
  2. Step 2: Convert to fraction form
    20,559.60/28,377.63 = 12,062.97/x
  3. Step 3: Cross multiply
    20,559.60x = 28,377.63 × 12,062.97
  4. Step 4: Simplify right side
    20,559.60x = 342,318,499.36
  5. Step 5: Solve for x
    x = 342,318,499.36/20,559.60
  6. Step 6: Final answer
    x = 16,650.06

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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.