Home / 13,453.92-20,181.24-4,569.12

Finding the Fourth Proportional to 13,453.92, 20,181.24 and 4,569.12

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Solution

The fourth proportional to 13,453.92, 20,181.24 and 4,569.12 is: 6,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.92 : 20,181.24 = 4,569.12 : x
  2. Step 2: Convert to fraction form
    13,453.92/20,181.24 = 4,569.12/x
  3. Step 3: Cross multiply
    13,453.92x = 20,181.24 × 4,569.12
  4. Step 4: Simplify right side
    13,453.92x = 92,210,507.31
  5. Step 5: Solve for x
    x = 92,210,507.31/13,453.92
  6. Step 6: Final answer
    x = 6,853.80

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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.