Home / 13,392.48-20,080.88-6,268.64

Finding the Fourth Proportional to 13,392.48, 20,080.88 and 6,268.64

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Solution

The fourth proportional to 13,392.48, 20,080.88 and 6,268.64 is: 9,399.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,392.48 : 20,080.88 = 6,268.64 : x
  2. Step 2: Convert to fraction form
    13,392.48/20,080.88 = 6,268.64/x
  3. Step 3: Cross multiply
    13,392.48x = 20,080.88 × 6,268.64
  4. Step 4: Simplify right side
    13,392.48x = 125,879,807.60
  5. Step 5: Solve for x
    x = 125,879,807.60/13,392.48
  6. Step 6: Final answer
    x = 9,399.29

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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.