Home / 20,192.43-30,301.61-9,798.51

Finding the Fourth Proportional to 20,192.43, 30,301.61 and 9,798.51

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Solution

The fourth proportional to 20,192.43, 30,301.61 and 9,798.51 is: 14,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,192.43 : 30,301.61 = 9,798.51 : x
  2. Step 2: Convert to fraction form
    20,192.43/30,301.61 = 9,798.51/x
  3. Step 3: Cross multiply
    20,192.43x = 30,301.61 × 9,798.51
  4. Step 4: Simplify right side
    20,192.43x = 296,910,579.61
  5. Step 5: Solve for x
    x = 296,910,579.61/20,192.43
  6. Step 6: Final answer
    x = 14,704.05

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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.