Home / 18,722.88-25,837.54-10,766.64

Finding the Fourth Proportional to 18,722.88, 25,837.54 and 10,766.64

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Solution

The fourth proportional to 18,722.88, 25,837.54 and 10,766.64 is: 14,857.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722.88 : 25,837.54 = 10,766.64 : x
  2. Step 2: Convert to fraction form
    18,722.88/25,837.54 = 10,766.64/x
  3. Step 3: Cross multiply
    18,722.88x = 25,837.54 × 10,766.64
  4. Step 4: Simplify right side
    18,722.88x = 278,183,491.67
  5. Step 5: Solve for x
    x = 278,183,491.67/18,722.88
  6. Step 6: Final answer
    x = 14,857.94

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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.