Home / 20,441.23-30,683.30-18,116.11

Finding the Fourth Proportional to 20,441.23, 30,683.30 and 18,116.11

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Solution

The fourth proportional to 20,441.23, 30,683.30 and 18,116.11 is: 27,193.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,441.23 : 30,683.30 = 18,116.11 : x
  2. Step 2: Convert to fraction form
    20,441.23/30,683.30 = 18,116.11/x
  3. Step 3: Cross multiply
    20,441.23x = 30,683.30 × 18,116.11
  4. Step 4: Simplify right side
    20,441.23x = 555,862,037.96
  5. Step 5: Solve for x
    x = 555,862,037.96/20,441.23
  6. Step 6: Final answer
    x = 27,193.18

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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.