Home / 15,924.14-21,937.32-11,135.12

Finding the Fourth Proportional to 15,924.14, 21,937.32 and 11,135.12

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Solution

The fourth proportional to 15,924.14, 21,937.32 and 11,135.12 is: 15,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.14 : 21,937.32 = 11,135.12 : x
  2. Step 2: Convert to fraction form
    15,924.14/21,937.32 = 11,135.12/x
  3. Step 3: Cross multiply
    15,924.14x = 21,937.32 × 11,135.12
  4. Step 4: Simplify right side
    15,924.14x = 244,274,745.52
  5. Step 5: Solve for x
    x = 244,274,745.52/15,924.14
  6. Step 6: Final answer
    x = 15,339.91

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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.