Home / 20,192.68-30,301.98-9,798.76

Finding the Fourth Proportional to 20,192.68, 30,301.98 and 9,798.76

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Solution

The fourth proportional to 20,192.68, 30,301.98 and 9,798.76 is: 14,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.68 : 30,301.98 = 9,798.76 : x
  2. Step 2: Convert to fraction form
    20,192.68/30,301.98 = 9,798.76/x
  3. Step 3: Cross multiply
    20,192.68x = 30,301.98 × 9,798.76
  4. Step 4: Simplify right side
    20,192.68x = 296,921,829.54
  5. Step 5: Solve for x
    x = 296,921,829.54/20,192.68
  6. Step 6: Final answer
    x = 14,704.43

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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.