Home / 13,667.76-20,497.59-5,874.75

Finding the Fourth Proportional to 13,667.76, 20,497.59 and 5,874.75

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Solution

The fourth proportional to 13,667.76, 20,497.59 and 5,874.75 is: 8,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,667.76 : 20,497.59 = 5,874.75 : x
  2. Step 2: Convert to fraction form
    13,667.76/20,497.59 = 5,874.75/x
  3. Step 3: Cross multiply
    13,667.76x = 20,497.59 × 5,874.75
  4. Step 4: Simplify right side
    13,667.76x = 120,418,216.85
  5. Step 5: Solve for x
    x = 120,418,216.85/13,667.76
  6. Step 6: Final answer
    x = 8,810.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.