Home / 40,845.93-61,268.94-12,766.13

Finding the Fourth Proportional to 40,845.93, 61,268.94 and 12,766.13

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Solution

The fourth proportional to 40,845.93, 61,268.94 and 12,766.13 is: 19,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,845.93 : 61,268.94 = 12,766.13 : x
  2. Step 2: Convert to fraction form
    40,845.93/61,268.94 = 12,766.13/x
  3. Step 3: Cross multiply
    40,845.93x = 61,268.94 × 12,766.13
  4. Step 4: Simplify right side
    40,845.93x = 782,167,013.66
  5. Step 5: Solve for x
    x = 782,167,013.66/40,845.93
  6. Step 6: Final answer
    x = 19,149.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.