Home / 13,512.44-20,268.68-4,152.08

Finding the Fourth Proportional to 13,512.44, 20,268.68 and 4,152.08

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Solution

The fourth proportional to 13,512.44, 20,268.68 and 4,152.08 is: 6,228.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512.44 : 20,268.68 = 4,152.08 : x
  2. Step 2: Convert to fraction form
    13,512.44/20,268.68 = 4,152.08/x
  3. Step 3: Cross multiply
    13,512.44x = 20,268.68 × 4,152.08
  4. Step 4: Simplify right side
    13,512.44x = 84,157,210.77
  5. Step 5: Solve for x
    x = 84,157,210.77/13,512.44
  6. Step 6: Final answer
    x = 6,228.13

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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.