Home / 13,446.93-20,174.49-6,877.73

Finding the Fourth Proportional to 13,446.93, 20,174.49 and 6,877.73

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Solution

The fourth proportional to 13,446.93, 20,174.49 and 6,877.73 is: 10,318.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.93 : 20,174.49 = 6,877.73 : x
  2. Step 2: Convert to fraction form
    13,446.93/20,174.49 = 6,877.73/x
  3. Step 3: Cross multiply
    13,446.93x = 20,174.49 × 6,877.73
  4. Step 4: Simplify right side
    13,446.93x = 138,754,695.11
  5. Step 5: Solve for x
    x = 138,754,695.11/13,446.93
  6. Step 6: Final answer
    x = 10,318.69

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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.