Home / 16,856.80-25,293.30-12,906.70

Finding the Fourth Proportional to 16,856.80, 25,293.30 and 12,906.70

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Solution

The fourth proportional to 16,856.80, 25,293.30 and 12,906.70 is: 19,366.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.80 : 25,293.30 = 12,906.70 : x
  2. Step 2: Convert to fraction form
    16,856.80/25,293.30 = 12,906.70/x
  3. Step 3: Cross multiply
    16,856.80x = 25,293.30 × 12,906.70
  4. Step 4: Simplify right side
    16,856.80x = 326,453,035.11
  5. Step 5: Solve for x
    x = 326,453,035.11/16,856.80
  6. Step 6: Final answer
    x = 19,366.25

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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.