Home / 25,117.98-34,655.71-16,170.66

Finding the Fourth Proportional to 25,117.98, 34,655.71 and 16,170.66

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Solution

The fourth proportional to 25,117.98, 34,655.71 and 16,170.66 is: 22,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,117.98 : 34,655.71 = 16,170.66 : x
  2. Step 2: Convert to fraction form
    25,117.98/34,655.71 = 16,170.66/x
  3. Step 3: Cross multiply
    25,117.98x = 34,655.71 × 16,170.66
  4. Step 4: Simplify right side
    25,117.98x = 560,405,813.57
  5. Step 5: Solve for x
    x = 560,405,813.57/25,117.98
  6. Step 6: Final answer
    x = 22,310.94

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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.