Home / 27,414.06-37,811.84-18,919.40

Finding the Fourth Proportional to 27,414.06, 37,811.84 and 18,919.40

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Solution

The fourth proportional to 27,414.06, 37,811.84 and 18,919.40 is: 26,095.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,414.06 : 37,811.84 = 18,919.40 : x
  2. Step 2: Convert to fraction form
    27,414.06/37,811.84 = 18,919.40/x
  3. Step 3: Cross multiply
    27,414.06x = 37,811.84 × 18,919.40
  4. Step 4: Simplify right side
    27,414.06x = 715,377,325.70
  5. Step 5: Solve for x
    x = 715,377,325.70/27,414.06
  6. Step 6: Final answer
    x = 26,095.27

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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.