Home / 33,322.43-45,986.18-18,216.11

Finding the Fourth Proportional to 33,322.43, 45,986.18 and 18,216.11

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Solution

The fourth proportional to 33,322.43, 45,986.18 and 18,216.11 is: 25,138.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,322.43 : 45,986.18 = 18,216.11 : x
  2. Step 2: Convert to fraction form
    33,322.43/45,986.18 = 18,216.11/x
  3. Step 3: Cross multiply
    33,322.43x = 45,986.18 × 18,216.11
  4. Step 4: Simplify right side
    33,322.43x = 837,688,992.35
  5. Step 5: Solve for x
    x = 837,688,992.35/33,322.43
  6. Step 6: Final answer
    x = 25,138.90

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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.