Home / 20,849.06-31,276.83-7,001.30

Finding the Fourth Proportional to 20,849.06, 31,276.83 and 7,001.30

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Solution

The fourth proportional to 20,849.06, 31,276.83 and 7,001.30 is: 10,503.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,849.06 : 31,276.83 = 7,001.30 : x
  2. Step 2: Convert to fraction form
    20,849.06/31,276.83 = 7,001.30/x
  3. Step 3: Cross multiply
    20,849.06x = 31,276.83 × 7,001.30
  4. Step 4: Simplify right side
    20,849.06x = 218,978,574.33
  5. Step 5: Solve for x
    x = 218,978,574.33/20,849.06
  6. Step 6: Final answer
    x = 10,503.04

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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.