Home / 20,093.06-30,139.19-6,242.02

Finding the Fourth Proportional to 20,093.06, 30,139.19 and 6,242.02

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Solution

The fourth proportional to 20,093.06, 30,139.19 and 6,242.02 is: 9,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,093.06 : 30,139.19 = 6,242.02 : x
  2. Step 2: Convert to fraction form
    20,093.06/30,139.19 = 6,242.02/x
  3. Step 3: Cross multiply
    20,093.06x = 30,139.19 × 6,242.02
  4. Step 4: Simplify right side
    20,093.06x = 188,129,426.76
  5. Step 5: Solve for x
    x = 188,129,426.76/20,093.06
  6. Step 6: Final answer
    x = 9,362.91

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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.