Home / 20,800.13-31,194.03-6,009.18

Finding the Fourth Proportional to 20,800.13, 31,194.03 and 6,009.18

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Solution

The fourth proportional to 20,800.13, 31,194.03 and 6,009.18 is: 9,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,800.13 : 31,194.03 = 6,009.18 : x
  2. Step 2: Convert to fraction form
    20,800.13/31,194.03 = 6,009.18/x
  3. Step 3: Cross multiply
    20,800.13x = 31,194.03 × 6,009.18
  4. Step 4: Simplify right side
    20,800.13x = 187,450,541.20
  5. Step 5: Solve for x
    x = 187,450,541.20/20,800.13
  6. Step 6: Final answer
    x = 9,011.99

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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.