Home / 40,706.09-61,067.87-12,625.55

Finding the Fourth Proportional to 40,706.09, 61,067.87 and 12,625.55

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Solution

The fourth proportional to 40,706.09, 61,067.87 and 12,625.55 is: 18,941.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,706.09 : 61,067.87 = 12,625.55 : x
  2. Step 2: Convert to fraction form
    40,706.09/61,067.87 = 12,625.55/x
  3. Step 3: Cross multiply
    40,706.09x = 61,067.87 × 12,625.55
  4. Step 4: Simplify right side
    40,706.09x = 771,015,077.61
  5. Step 5: Solve for x
    x = 771,015,077.61/40,706.09
  6. Step 6: Final answer
    x = 18,941.03

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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.