Home / 20,862.11-31,296.21-6,069.11

Finding the Fourth Proportional to 20,862.11, 31,296.21 and 6,069.11

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Solution

The fourth proportional to 20,862.11, 31,296.21 and 6,069.11 is: 9,104.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,862.11 : 31,296.21 = 6,069.11 : x
  2. Step 2: Convert to fraction form
    20,862.11/31,296.21 = 6,069.11/x
  3. Step 3: Cross multiply
    20,862.11x = 31,296.21 × 6,069.11
  4. Step 4: Simplify right side
    20,862.11x = 189,940,141.07
  5. Step 5: Solve for x
    x = 189,940,141.07/20,862.11
  6. Step 6: Final answer
    x = 9,104.55

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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.