Home / 16,895.78-23,317.92-9,725.97

Finding the Fourth Proportional to 16,895.78, 23,317.92 and 9,725.97

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Solution

The fourth proportional to 16,895.78, 23,317.92 and 9,725.97 is: 13,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,895.78 : 23,317.92 = 9,725.97 : x
  2. Step 2: Convert to fraction form
    16,895.78/23,317.92 = 9,725.97/x
  3. Step 3: Cross multiply
    16,895.78x = 23,317.92 × 9,725.97
  4. Step 4: Simplify right side
    16,895.78x = 226,789,302.94
  5. Step 5: Solve for x
    x = 226,789,302.94/16,895.78
  6. Step 6: Final answer
    x = 13,422.84

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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.