Home / 18,591.08-25,667.70-11,525

Finding the Fourth Proportional to 18,591.08, 25,667.70 and 11,525

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Solution

The fourth proportional to 18,591.08, 25,667.70 and 11,525 is: 15,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,591.08 : 25,667.70 = 11,525 : x
  2. Step 2: Convert to fraction form
    18,591.08/25,667.70 = 11,525/x
  3. Step 3: Cross multiply
    18,591.08x = 25,667.70 × 11,525
  4. Step 4: Simplify right side
    18,591.08x = 295,820,242.50
  5. Step 5: Solve for x
    x = 295,820,242.50/18,591.08
  6. Step 6: Final answer
    x = 15,911.95

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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.