Home / 16,252.51-22,406.78-12,906.40

Finding the Fourth Proportional to 16,252.51, 22,406.78 and 12,906.40

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Solution

The fourth proportional to 16,252.51, 22,406.78 and 12,906.40 is: 17,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,252.51 : 22,406.78 = 12,906.40 : x
  2. Step 2: Convert to fraction form
    16,252.51/22,406.78 = 12,906.40/x
  3. Step 3: Cross multiply
    16,252.51x = 22,406.78 × 12,906.40
  4. Step 4: Simplify right side
    16,252.51x = 289,190,865.39
  5. Step 5: Solve for x
    x = 289,190,865.39/16,252.51
  6. Step 6: Final answer
    x = 17,793.61

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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.