Home / 20,873.04-31,309.02-7,022.04

Finding the Fourth Proportional to 20,873.04, 31,309.02 and 7,022.04

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Solution

The fourth proportional to 20,873.04, 31,309.02 and 7,022.04 is: 10,532.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,873.04 : 31,309.02 = 7,022.04 : x
  2. Step 2: Convert to fraction form
    20,873.04/31,309.02 = 7,022.04/x
  3. Step 3: Cross multiply
    20,873.04x = 31,309.02 × 7,022.04
  4. Step 4: Simplify right side
    20,873.04x = 219,853,190.80
  5. Step 5: Solve for x
    x = 219,853,190.80/20,873.04
  6. Step 6: Final answer
    x = 10,532.88

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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.