Home / 33,134.18-45,726.26-18,989.73

Finding the Fourth Proportional to 33,134.18, 45,726.26 and 18,989.73

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Solution

The fourth proportional to 33,134.18, 45,726.26 and 18,989.73 is: 26,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,134.18 : 45,726.26 = 18,989.73 : x
  2. Step 2: Convert to fraction form
    33,134.18/45,726.26 = 18,989.73/x
  3. Step 3: Cross multiply
    33,134.18x = 45,726.26 × 18,989.73
  4. Step 4: Simplify right side
    33,134.18x = 868,329,236.36
  5. Step 5: Solve for x
    x = 868,329,236.36/33,134.18
  6. Step 6: Final answer
    x = 26,206.45

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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.