Home / 33,278.12-45,926.50-19,135.56

Finding the Fourth Proportional to 33,278.12, 45,926.50 and 19,135.56

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Solution

The fourth proportional to 33,278.12, 45,926.50 and 19,135.56 is: 26,408.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.12 : 45,926.50 = 19,135.56 : x
  2. Step 2: Convert to fraction form
    33,278.12/45,926.50 = 19,135.56/x
  3. Step 3: Cross multiply
    33,278.12x = 45,926.50 × 19,135.56
  4. Step 4: Simplify right side
    33,278.12x = 878,829,296.34
  5. Step 5: Solve for x
    x = 878,829,296.34/33,278.12
  6. Step 6: Final answer
    x = 26,408.62

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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.