Home / 13,433.71-20,150.64-4,549.12

Finding the Fourth Proportional to 13,433.71, 20,150.64 and 4,549.12

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Solution

The fourth proportional to 13,433.71, 20,150.64 and 4,549.12 is: 6,823.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,433.71 : 20,150.64 = 4,549.12 : x
  2. Step 2: Convert to fraction form
    13,433.71/20,150.64 = 4,549.12/x
  3. Step 3: Cross multiply
    13,433.71x = 20,150.64 × 4,549.12
  4. Step 4: Simplify right side
    13,433.71x = 91,667,679.44
  5. Step 5: Solve for x
    x = 91,667,679.44/13,433.71
  6. Step 6: Final answer
    x = 6,823.71

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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.