Home / 14,755.33-20,342.79-11,919.52

Finding the Fourth Proportional to 14,755.33, 20,342.79 and 11,919.52

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Solution

The fourth proportional to 14,755.33, 20,342.79 and 11,919.52 is: 16,433.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,755.33 : 20,342.79 = 11,919.52 : x
  2. Step 2: Convert to fraction form
    14,755.33/20,342.79 = 11,919.52/x
  3. Step 3: Cross multiply
    14,755.33x = 20,342.79 × 11,919.52
  4. Step 4: Simplify right side
    14,755.33x = 242,476,292.26
  5. Step 5: Solve for x
    x = 242,476,292.26/14,755.33
  6. Step 6: Final answer
    x = 16,433.13

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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.