Home / 23,991.16-33,082.68-20,645.32

Finding the Fourth Proportional to 23,991.16, 33,082.68 and 20,645.32

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Solution

The fourth proportional to 23,991.16, 33,082.68 and 20,645.32 is: 28,468.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,991.16 : 33,082.68 = 20,645.32 : x
  2. Step 2: Convert to fraction form
    23,991.16/33,082.68 = 20,645.32/x
  3. Step 3: Cross multiply
    23,991.16x = 33,082.68 × 20,645.32
  4. Step 4: Simplify right side
    23,991.16x = 683,002,515.06
  5. Step 5: Solve for x
    x = 683,002,515.06/23,991.16
  6. Step 6: Final answer
    x = 28,468.92

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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.