Home / 13,849.32-19,101.28-12,257.68

Finding the Fourth Proportional to 13,849.32, 19,101.28 and 12,257.68

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Solution

The fourth proportional to 13,849.32, 19,101.28 and 12,257.68 is: 16,906.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.32 : 19,101.28 = 12,257.68 : x
  2. Step 2: Convert to fraction form
    13,849.32/19,101.28 = 12,257.68/x
  3. Step 3: Cross multiply
    13,849.32x = 19,101.28 × 12,257.68
  4. Step 4: Simplify right side
    13,849.32x = 234,137,377.83
  5. Step 5: Solve for x
    x = 234,137,377.83/13,849.32
  6. Step 6: Final answer
    x = 16,906.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.