Home / 16,731.38-23,089.12-9,657.65

Finding the Fourth Proportional to 16,731.38, 23,089.12 and 9,657.65

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Solution

The fourth proportional to 16,731.38, 23,089.12 and 9,657.65 is: 13,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.38 : 23,089.12 = 9,657.65 : x
  2. Step 2: Convert to fraction form
    16,731.38/23,089.12 = 9,657.65/x
  3. Step 3: Cross multiply
    16,731.38x = 23,089.12 × 9,657.65
  4. Step 4: Simplify right side
    16,731.38x = 222,986,673.35
  5. Step 5: Solve for x
    x = 222,986,673.35/16,731.38
  6. Step 6: Final answer
    x = 13,327.45

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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.