Home / 16,806.51-23,190.98-9,731.97

Finding the Fourth Proportional to 16,806.51, 23,190.98 and 9,731.97

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Solution

The fourth proportional to 16,806.51, 23,190.98 and 9,731.97 is: 13,428.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806.51 : 23,190.98 = 9,731.97 : x
  2. Step 2: Convert to fraction form
    16,806.51/23,190.98 = 9,731.97/x
  3. Step 3: Cross multiply
    16,806.51x = 23,190.98 × 9,731.97
  4. Step 4: Simplify right side
    16,806.51x = 225,693,872.97
  5. Step 5: Solve for x
    x = 225,693,872.97/16,806.51
  6. Step 6: Final answer
    x = 13,428.96

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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.