Home / 19,112.94-26,377.20-12,040.92

Finding the Fourth Proportional to 19,112.94, 26,377.20 and 12,040.92

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Solution

The fourth proportional to 19,112.94, 26,377.20 and 12,040.92 is: 16,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.94 : 26,377.20 = 12,040.92 : x
  2. Step 2: Convert to fraction form
    19,112.94/26,377.20 = 12,040.92/x
  3. Step 3: Cross multiply
    19,112.94x = 26,377.20 × 12,040.92
  4. Step 4: Simplify right side
    19,112.94x = 317,605,755.02
  5. Step 5: Solve for x
    x = 317,605,755.02/19,112.94
  6. Step 6: Final answer
    x = 16,617.32

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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.