Home / 16,165.12-22,308.78-10,778.26

Finding the Fourth Proportional to 16,165.12, 22,308.78 and 10,778.26

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Solution

The fourth proportional to 16,165.12, 22,308.78 and 10,778.26 is: 14,874.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,165.12 : 22,308.78 = 10,778.26 : x
  2. Step 2: Convert to fraction form
    16,165.12/22,308.78 = 10,778.26/x
  3. Step 3: Cross multiply
    16,165.12x = 22,308.78 × 10,778.26
  4. Step 4: Simplify right side
    16,165.12x = 240,449,831.12
  5. Step 5: Solve for x
    x = 240,449,831.12/16,165.12
  6. Step 6: Final answer
    x = 14,874.61

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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.