Home / 18,942.75-26,141.13-10,445.19

Finding the Fourth Proportional to 18,942.75, 26,141.13 and 10,445.19

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Solution

The fourth proportional to 18,942.75, 26,141.13 and 10,445.19 is: 14,414.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942.75 : 26,141.13 = 10,445.19 : x
  2. Step 2: Convert to fraction form
    18,942.75/26,141.13 = 10,445.19/x
  3. Step 3: Cross multiply
    18,942.75x = 26,141.13 × 10,445.19
  4. Step 4: Simplify right side
    18,942.75x = 273,049,069.66
  5. Step 5: Solve for x
    x = 273,049,069.66/18,942.75
  6. Step 6: Final answer
    x = 14,414.44

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Half scale
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Double scale
Find fourth proportional to 18,943.75, 26,142.51 and 10,446.19
Similar ratio
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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.