Home / 14,620.68-20,176.45-7,906.32

Finding the Fourth Proportional to 14,620.68, 20,176.45 and 7,906.32

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Solution

The fourth proportional to 14,620.68, 20,176.45 and 7,906.32 is: 10,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620.68 : 20,176.45 = 7,906.32 : x
  2. Step 2: Convert to fraction form
    14,620.68/20,176.45 = 7,906.32/x
  3. Step 3: Cross multiply
    14,620.68x = 20,176.45 × 7,906.32
  4. Step 4: Simplify right side
    14,620.68x = 159,521,470.16
  5. Step 5: Solve for x
    x = 159,521,470.16/14,620.68
  6. Step 6: Final answer
    x = 10,910.67

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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.