Home / 33,254.49-45,889.65-18,147.78

Finding the Fourth Proportional to 33,254.49, 45,889.65 and 18,147.78

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Solution

The fourth proportional to 33,254.49, 45,889.65 and 18,147.78 is: 25,043.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,254.49 : 45,889.65 = 18,147.78 : x
  2. Step 2: Convert to fraction form
    33,254.49/45,889.65 = 18,147.78/x
  3. Step 3: Cross multiply
    33,254.49x = 45,889.65 × 18,147.78
  4. Step 4: Simplify right side
    33,254.49x = 832,795,272.48
  5. Step 5: Solve for x
    x = 832,795,272.48/33,254.49
  6. Step 6: Final answer
    x = 25,043.09

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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.