Home / 13,592.62-20,381.55-4,228.57

Finding the Fourth Proportional to 13,592.62, 20,381.55 and 4,228.57

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Solution

The fourth proportional to 13,592.62, 20,381.55 and 4,228.57 is: 6,340.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.62 : 20,381.55 = 4,228.57 : x
  2. Step 2: Convert to fraction form
    13,592.62/20,381.55 = 4,228.57/x
  3. Step 3: Cross multiply
    13,592.62x = 20,381.55 × 4,228.57
  4. Step 4: Simplify right side
    13,592.62x = 86,184,810.88
  5. Step 5: Solve for x
    x = 86,184,810.88/13,592.62
  6. Step 6: Final answer
    x = 6,340.56

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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.