Home / 33,140.30-45,736.11-18,995.27

Finding the Fourth Proportional to 33,140.30, 45,736.11 and 18,995.27

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Solution

The fourth proportional to 33,140.30, 45,736.11 and 18,995.27 is: 26,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,140.30 : 45,736.11 = 18,995.27 : x
  2. Step 2: Convert to fraction form
    33,140.30/45,736.11 = 18,995.27/x
  3. Step 3: Cross multiply
    33,140.30x = 45,736.11 × 18,995.27
  4. Step 4: Simplify right side
    33,140.30x = 868,769,529.52
  5. Step 5: Solve for x
    x = 868,769,529.52/33,140.30
  6. Step 6: Final answer
    x = 26,214.90

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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.