Home / 18,667.68-25,773.78-14,353.12

Finding the Fourth Proportional to 18,667.68, 25,773.78 and 14,353.12

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Solution

The fourth proportional to 18,667.68, 25,773.78 and 14,353.12 is: 19,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,667.68 : 25,773.78 = 14,353.12 : x
  2. Step 2: Convert to fraction form
    18,667.68/25,773.78 = 14,353.12/x
  3. Step 3: Cross multiply
    18,667.68x = 25,773.78 × 14,353.12
  4. Step 4: Simplify right side
    18,667.68x = 369,934,157.19
  5. Step 5: Solve for x
    x = 369,934,157.19/18,667.68
  6. Step 6: Final answer
    x = 19,816.83

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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.