Home / 33,132.25-45,722.51-18,228.25

Finding the Fourth Proportional to 33,132.25, 45,722.51 and 18,228.25

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Solution

The fourth proportional to 33,132.25, 45,722.51 and 18,228.25 is: 25,154.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,132.25 : 45,722.51 = 18,228.25 : x
  2. Step 2: Convert to fraction form
    33,132.25/45,722.51 = 18,228.25/x
  3. Step 3: Cross multiply
    33,132.25x = 45,722.51 × 18,228.25
  4. Step 4: Simplify right side
    33,132.25x = 833,441,342.91
  5. Step 5: Solve for x
    x = 833,441,342.91/33,132.25
  6. Step 6: Final answer
    x = 25,154.99

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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.