Home / 20,195.06-30,305.54-9,801.14

Finding the Fourth Proportional to 20,195.06, 30,305.54 and 9,801.14

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Solution

The fourth proportional to 20,195.06, 30,305.54 and 9,801.14 is: 14,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.06 : 30,305.54 = 9,801.14 : x
  2. Step 2: Convert to fraction form
    20,195.06/30,305.54 = 9,801.14/x
  3. Step 3: Cross multiply
    20,195.06x = 30,305.54 × 9,801.14
  4. Step 4: Simplify right side
    20,195.06x = 297,028,713.29
  5. Step 5: Solve for x
    x = 297,028,713.29/20,195.06
  6. Step 6: Final answer
    x = 14,707.99

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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.