Home / 14,906.07-20,579.39-9,874.57

Finding the Fourth Proportional to 14,906.07, 20,579.39 and 9,874.57

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Solution

The fourth proportional to 14,906.07, 20,579.39 and 9,874.57 is: 13,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.07 : 20,579.39 = 9,874.57 : x
  2. Step 2: Convert to fraction form
    14,906.07/20,579.39 = 9,874.57/x
  3. Step 3: Cross multiply
    14,906.07x = 20,579.39 × 9,874.57
  4. Step 4: Simplify right side
    14,906.07x = 203,212,627.11
  5. Step 5: Solve for x
    x = 203,212,627.11/14,906.07
  6. Step 6: Final answer
    x = 13,632.88

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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.