Home / 20,806.50-31,203.24-6,952.26

Finding the Fourth Proportional to 20,806.50, 31,203.24 and 6,952.26

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Solution

The fourth proportional to 20,806.50, 31,203.24 and 6,952.26 is: 10,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,806.50 : 31,203.24 = 6,952.26 : x
  2. Step 2: Convert to fraction form
    20,806.50/31,203.24 = 6,952.26/x
  3. Step 3: Cross multiply
    20,806.50x = 31,203.24 × 6,952.26
  4. Step 4: Simplify right side
    20,806.50x = 216,933,037.32
  5. Step 5: Solve for x
    x = 216,933,037.32/20,806.50
  6. Step 6: Final answer
    x = 10,426.21

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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.