Home / 12,167.96-16,787.66-9,925.96

Finding the Fourth Proportional to 12,167.96, 16,787.66 and 9,925.96

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Solution

The fourth proportional to 12,167.96, 16,787.66 and 9,925.96 is: 13,694.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,167.96 : 16,787.66 = 9,925.96 : x
  2. Step 2: Convert to fraction form
    12,167.96/16,787.66 = 9,925.96/x
  3. Step 3: Cross multiply
    12,167.96x = 16,787.66 × 9,925.96
  4. Step 4: Simplify right side
    12,167.96x = 166,633,641.65
  5. Step 5: Solve for x
    x = 166,633,641.65/12,167.96
  6. Step 6: Final answer
    x = 13,694.46

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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.