Home / 12,867.44-19,301.32-3,507.92

Finding the Fourth Proportional to 12,867.44, 19,301.32 and 3,507.92

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Solution

The fourth proportional to 12,867.44, 19,301.32 and 3,507.92 is: 5,261.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,867.44 : 19,301.32 = 3,507.92 : x
  2. Step 2: Convert to fraction form
    12,867.44/19,301.32 = 3,507.92/x
  3. Step 3: Cross multiply
    12,867.44x = 19,301.32 × 3,507.92
  4. Step 4: Simplify right side
    12,867.44x = 67,707,486.45
  5. Step 5: Solve for x
    x = 67,707,486.45/12,867.44
  6. Step 6: Final answer
    x = 5,261.92

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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.