Home / 14,960.70-20,645.65-8,246.34

Finding the Fourth Proportional to 14,960.70, 20,645.65 and 8,246.34

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Solution

The fourth proportional to 14,960.70, 20,645.65 and 8,246.34 is: 11,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,960.70 : 20,645.65 = 8,246.34 : x
  2. Step 2: Convert to fraction form
    14,960.70/20,645.65 = 8,246.34/x
  3. Step 3: Cross multiply
    14,960.70x = 20,645.65 × 8,246.34
  4. Step 4: Simplify right side
    14,960.70x = 170,251,049.42
  5. Step 5: Solve for x
    x = 170,251,049.42/14,960.70
  6. Step 6: Final answer
    x = 11,379.89

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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.