Home / 14,691.18-20,273.70-7,976.67

Finding the Fourth Proportional to 14,691.18, 20,273.70 and 7,976.67

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Solution

The fourth proportional to 14,691.18, 20,273.70 and 7,976.67 is: 11,007.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,691.18 : 20,273.70 = 7,976.67 : x
  2. Step 2: Convert to fraction form
    14,691.18/20,273.70 = 7,976.67/x
  3. Step 3: Cross multiply
    14,691.18x = 20,273.70 × 7,976.67
  4. Step 4: Simplify right side
    14,691.18x = 161,716,614.58
  5. Step 5: Solve for x
    x = 161,716,614.58/14,691.18
  6. Step 6: Final answer
    x = 11,007.73

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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.