Home / 16,935.65-23,370.26-9,381.38

Finding the Fourth Proportional to 16,935.65, 23,370.26 and 9,381.38

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Solution

The fourth proportional to 16,935.65, 23,370.26 and 9,381.38 is: 12,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,935.65 : 23,370.26 = 9,381.38 : x
  2. Step 2: Convert to fraction form
    16,935.65/23,370.26 = 9,381.38/x
  3. Step 3: Cross multiply
    16,935.65x = 23,370.26 × 9,381.38
  4. Step 4: Simplify right side
    16,935.65x = 219,245,126.00
  5. Step 5: Solve for x
    x = 219,245,126.00/16,935.65
  6. Step 6: Final answer
    x = 12,945.78

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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.