Home / 18,476.20-25,487.48-11,667.75

Finding the Fourth Proportional to 18,476.20, 25,487.48 and 11,667.75

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Solution

The fourth proportional to 18,476.20, 25,487.48 and 11,667.75 is: 16,095.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476.20 : 25,487.48 = 11,667.75 : x
  2. Step 2: Convert to fraction form
    18,476.20/25,487.48 = 11,667.75/x
  3. Step 3: Cross multiply
    18,476.20x = 25,487.48 × 11,667.75
  4. Step 4: Simplify right side
    18,476.20x = 297,381,627.78
  5. Step 5: Solve for x
    x = 297,381,627.78/18,476.20
  6. Step 6: Final answer
    x = 16,095.39

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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.