Home / 16,685.80-23,026.08-9,131.97

Finding the Fourth Proportional to 16,685.80, 23,026.08 and 9,131.97

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Solution

The fourth proportional to 16,685.80, 23,026.08 and 9,131.97 is: 12,601.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.80 : 23,026.08 = 9,131.97 : x
  2. Step 2: Convert to fraction form
    16,685.80/23,026.08 = 9,131.97/x
  3. Step 3: Cross multiply
    16,685.80x = 23,026.08 × 9,131.97
  4. Step 4: Simplify right side
    16,685.80x = 210,273,471.78
  5. Step 5: Solve for x
    x = 210,273,471.78/16,685.80
  6. Step 6: Final answer
    x = 12,601.94

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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.