Home / 14,167.94-21,260.78-8,902.73

Finding the Fourth Proportional to 14,167.94, 21,260.78 and 8,902.73

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Solution

The fourth proportional to 14,167.94, 21,260.78 and 8,902.73 is: 13,359.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,167.94 : 21,260.78 = 8,902.73 : x
  2. Step 2: Convert to fraction form
    14,167.94/21,260.78 = 8,902.73/x
  3. Step 3: Cross multiply
    14,167.94x = 21,260.78 × 8,902.73
  4. Step 4: Simplify right side
    14,167.94x = 189,278,833.11
  5. Step 5: Solve for x
    x = 189,278,833.11/14,167.94
  6. Step 6: Final answer
    x = 13,359.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.