Home / 19,874.93-27,427.46-11,917.14

Finding the Fourth Proportional to 19,874.93, 27,427.46 and 11,917.14

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Solution

The fourth proportional to 19,874.93, 27,427.46 and 11,917.14 is: 16,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874.93 : 27,427.46 = 11,917.14 : x
  2. Step 2: Convert to fraction form
    19,874.93/27,427.46 = 11,917.14/x
  3. Step 3: Cross multiply
    19,874.93x = 27,427.46 × 11,917.14
  4. Step 4: Simplify right side
    19,874.93x = 326,856,821.08
  5. Step 5: Solve for x
    x = 326,856,821.08/19,874.93
  6. Step 6: Final answer
    x = 16,445.69

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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.