Home / 33,112.50-49,669.11-13,126.86

Finding the Fourth Proportional to 33,112.50, 49,669.11 and 13,126.86

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Solution

The fourth proportional to 33,112.50, 49,669.11 and 13,126.86 is: 19,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,112.50 : 49,669.11 = 13,126.86 : x
  2. Step 2: Convert to fraction form
    33,112.50/49,669.11 = 13,126.86/x
  3. Step 3: Cross multiply
    33,112.50x = 49,669.11 × 13,126.86
  4. Step 4: Simplify right side
    33,112.50x = 651,999,453.29
  5. Step 5: Solve for x
    x = 651,999,453.29/33,112.50
  6. Step 6: Final answer
    x = 19,690.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.