Home / 18,942.24-26,140.44-10,445.04

Finding the Fourth Proportional to 18,942.24, 26,140.44 and 10,445.04

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Solution

The fourth proportional to 18,942.24, 26,140.44 and 10,445.04 is: 14,414.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.24 : 26,140.44 = 10,445.04 : x
  2. Step 2: Convert to fraction form
    18,942.24/26,140.44 = 10,445.04/x
  3. Step 3: Cross multiply
    18,942.24x = 26,140.44 × 10,445.04
  4. Step 4: Simplify right side
    18,942.24x = 273,037,941.42
  5. Step 5: Solve for x
    x = 273,037,941.42/18,942.24
  6. Step 6: Final answer
    x = 14,414.24

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.