Home / 18,618.74-25,697.58-11,069.26

Finding the Fourth Proportional to 18,618.74, 25,697.58 and 11,069.26

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Solution

The fourth proportional to 18,618.74, 25,697.58 and 11,069.26 is: 15,277.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.74 : 25,697.58 = 11,069.26 : x
  2. Step 2: Convert to fraction form
    18,618.74/25,697.58 = 11,069.26/x
  3. Step 3: Cross multiply
    18,618.74x = 25,697.58 × 11,069.26
  4. Step 4: Simplify right side
    18,618.74x = 284,453,065.90
  5. Step 5: Solve for x
    x = 284,453,065.90/18,618.74
  6. Step 6: Final answer
    x = 15,277.78

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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.