Home / 18,964.35-26,166.38-11,002.05

Finding the Fourth Proportional to 18,964.35, 26,166.38 and 11,002.05

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Solution

The fourth proportional to 18,964.35, 26,166.38 and 11,002.05 is: 15,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.35 : 26,166.38 = 11,002.05 : x
  2. Step 2: Convert to fraction form
    18,964.35/26,166.38 = 11,002.05/x
  3. Step 3: Cross multiply
    18,964.35x = 26,166.38 × 11,002.05
  4. Step 4: Simplify right side
    18,964.35x = 287,883,766.07
  5. Step 5: Solve for x
    x = 287,883,766.07/18,964.35
  6. Step 6: Final answer
    x = 15,180.26

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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.