Home / 18,788.76-25,922.05-10,716.61

Finding the Fourth Proportional to 18,788.76, 25,922.05 and 10,716.61

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Solution

The fourth proportional to 18,788.76, 25,922.05 and 10,716.61 is: 14,785.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,788.76 : 25,922.05 = 10,716.61 : x
  2. Step 2: Convert to fraction form
    18,788.76/25,922.05 = 10,716.61/x
  3. Step 3: Cross multiply
    18,788.76x = 25,922.05 × 10,716.61
  4. Step 4: Simplify right side
    18,788.76x = 277,796,621.55
  5. Step 5: Solve for x
    x = 277,796,621.55/18,788.76
  6. Step 6: Final answer
    x = 14,785.26

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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.