Home / 18,626.11-25,667.94-15,444.03

Finding the Fourth Proportional to 18,626.11, 25,667.94 and 15,444.03

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Solution

The fourth proportional to 18,626.11, 25,667.94 and 15,444.03 is: 21,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.11 : 25,667.94 = 15,444.03 : x
  2. Step 2: Convert to fraction form
    18,626.11/25,667.94 = 15,444.03/x
  3. Step 3: Cross multiply
    18,626.11x = 25,667.94 × 15,444.03
  4. Step 4: Simplify right side
    18,626.11x = 396,416,435.40
  5. Step 5: Solve for x
    x = 396,416,435.40/18,626.11
  6. Step 6: Final answer
    x = 21,282.84

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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.