Home / 13,804.94-19,044.46-8,135.82

Finding the Fourth Proportional to 13,804.94, 19,044.46 and 8,135.82

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Solution

The fourth proportional to 13,804.94, 19,044.46 and 8,135.82 is: 11,223.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.94 : 19,044.46 = 8,135.82 : x
  2. Step 2: Convert to fraction form
    13,804.94/19,044.46 = 8,135.82/x
  3. Step 3: Cross multiply
    13,804.94x = 19,044.46 × 8,135.82
  4. Step 4: Simplify right side
    13,804.94x = 154,942,298.56
  5. Step 5: Solve for x
    x = 154,942,298.56/13,804.94
  6. Step 6: Final answer
    x = 11,223.69

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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.