Home / 13,727.12-19,023.14-13,464.56

Finding the Fourth Proportional to 13,727.12, 19,023.14 and 13,464.56

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Solution

The fourth proportional to 13,727.12, 19,023.14 and 13,464.56 is: 18,659.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,727.12 : 19,023.14 = 13,464.56 : x
  2. Step 2: Convert to fraction form
    13,727.12/19,023.14 = 13,464.56/x
  3. Step 3: Cross multiply
    13,727.12x = 19,023.14 × 13,464.56
  4. Step 4: Simplify right side
    13,727.12x = 256,138,209.92
  5. Step 5: Solve for x
    x = 256,138,209.92/13,727.12
  6. Step 6: Final answer
    x = 18,659.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.