Home / 21,468.16-29,627.60-11,908.52

Finding the Fourth Proportional to 21,468.16, 29,627.60 and 11,908.52

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Solution

The fourth proportional to 21,468.16, 29,627.60 and 11,908.52 is: 16,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,468.16 : 29,627.60 = 11,908.52 : x
  2. Step 2: Convert to fraction form
    21,468.16/29,627.60 = 11,908.52/x
  3. Step 3: Cross multiply
    21,468.16x = 29,627.60 × 11,908.52
  4. Step 4: Simplify right side
    21,468.16x = 352,820,867.15
  5. Step 5: Solve for x
    x = 352,820,867.15/21,468.16
  6. Step 6: Final answer
    x = 16,434.61

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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.