Home / 34,853.94-52,249.22-12,657.78

Finding the Fourth Proportional to 34,853.94, 52,249.22 and 12,657.78

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Solution

The fourth proportional to 34,853.94, 52,249.22 and 12,657.78 is: 18,975.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,853.94 : 52,249.22 = 12,657.78 : x
  2. Step 2: Convert to fraction form
    34,853.94/52,249.22 = 12,657.78/x
  3. Step 3: Cross multiply
    34,853.94x = 52,249.22 × 12,657.78
  4. Step 4: Simplify right side
    34,853.94x = 661,359,131.93
  5. Step 5: Solve for x
    x = 661,359,131.93/34,853.94
  6. Step 6: Final answer
    x = 18,975.16

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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.