Home / 13,251.43-19,873.18-4,365.12

Finding the Fourth Proportional to 13,251.43, 19,873.18 and 4,365.12

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Solution

The fourth proportional to 13,251.43, 19,873.18 and 4,365.12 is: 6,546.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.43 : 19,873.18 = 4,365.12 : x
  2. Step 2: Convert to fraction form
    13,251.43/19,873.18 = 4,365.12/x
  3. Step 3: Cross multiply
    13,251.43x = 19,873.18 × 4,365.12
  4. Step 4: Simplify right side
    13,251.43x = 86,748,815.48
  5. Step 5: Solve for x
    x = 86,748,815.48/13,251.43
  6. Step 6: Final answer
    x = 6,546.37

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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.