Home / 18,942.98-26,141.50-10,445.44

Finding the Fourth Proportional to 18,942.98, 26,141.50 and 10,445.44

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Solution

The fourth proportional to 18,942.98, 26,141.50 and 10,445.44 is: 14,414.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.98 : 26,141.50 = 10,445.44 : x
  2. Step 2: Convert to fraction form
    18,942.98/26,141.50 = 10,445.44/x
  3. Step 3: Cross multiply
    18,942.98x = 26,141.50 × 10,445.44
  4. Step 4: Simplify right side
    18,942.98x = 273,059,378.29
  5. Step 5: Solve for x
    x = 273,059,378.29/18,942.98
  6. Step 6: Final answer
    x = 14,414.80

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1.5x scale

Why These Related Problems?

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