Home / 18,667.14-25,793.43-14,921.22

Finding the Fourth Proportional to 18,667.14, 25,793.43 and 14,921.22

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Solution

The fourth proportional to 18,667.14, 25,793.43 and 14,921.22 is: 20,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.14 : 25,793.43 = 14,921.22 : x
  2. Step 2: Convert to fraction form
    18,667.14/25,793.43 = 14,921.22/x
  3. Step 3: Cross multiply
    18,667.14x = 25,793.43 × 14,921.22
  4. Step 4: Simplify right side
    18,667.14x = 384,869,443.58
  5. Step 5: Solve for x
    x = 384,869,443.58/18,667.14
  6. Step 6: Final answer
    x = 20,617.48

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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.