Home / 33,137.06-45,729.14-18,998.10

Finding the Fourth Proportional to 33,137.06, 45,729.14 and 18,998.10

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Solution

The fourth proportional to 33,137.06, 45,729.14 and 18,998.10 is: 26,217.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,137.06 : 45,729.14 = 18,998.10 : x
  2. Step 2: Convert to fraction form
    33,137.06/45,729.14 = 18,998.10/x
  3. Step 3: Cross multiply
    33,137.06x = 45,729.14 × 18,998.10
  4. Step 4: Simplify right side
    33,137.06x = 868,766,774.63
  5. Step 5: Solve for x
    x = 868,766,774.63/33,137.06
  6. Step 6: Final answer
    x = 26,217.38

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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.