Home / 18,433.62-27,642.63-10,111.26

Finding the Fourth Proportional to 18,433.62, 27,642.63 and 10,111.26

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Solution

The fourth proportional to 18,433.62, 27,642.63 and 10,111.26 is: 15,162.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,433.62 : 27,642.63 = 10,111.26 : x
  2. Step 2: Convert to fraction form
    18,433.62/27,642.63 = 10,111.26/x
  3. Step 3: Cross multiply
    18,433.62x = 27,642.63 × 10,111.26
  4. Step 4: Simplify right side
    18,433.62x = 279,501,819.01
  5. Step 5: Solve for x
    x = 279,501,819.01/18,433.62
  6. Step 6: Final answer
    x = 15,162.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.