Home / 19,806.92-29,707.20-7,332.86

Finding the Fourth Proportional to 19,806.92, 29,707.20 and 7,332.86

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Solution

The fourth proportional to 19,806.92, 29,707.20 and 7,332.86 is: 10,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.92 : 29,707.20 = 7,332.86 : x
  2. Step 2: Convert to fraction form
    19,806.92/29,707.20 = 7,332.86/x
  3. Step 3: Cross multiply
    19,806.92x = 29,707.20 × 7,332.86
  4. Step 4: Simplify right side
    19,806.92x = 217,838,738.59
  5. Step 5: Solve for x
    x = 217,838,738.59/19,806.92
  6. Step 6: Final answer
    x = 10,998.11

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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.