Home / 33,132.54-45,721.47-18,986.70

Finding the Fourth Proportional to 33,132.54, 45,721.47 and 18,986.70

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Solution

The fourth proportional to 33,132.54, 45,721.47 and 18,986.70 is: 26,200.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.54 : 45,721.47 = 18,986.70 : x
  2. Step 2: Convert to fraction form
    33,132.54/45,721.47 = 18,986.70/x
  3. Step 3: Cross multiply
    33,132.54x = 45,721.47 × 18,986.70
  4. Step 4: Simplify right side
    33,132.54x = 868,099,834.45
  5. Step 5: Solve for x
    x = 868,099,834.45/33,132.54
  6. Step 6: Final answer
    x = 26,200.82

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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.