Home / 18,450.24-27,699.96-10,159.68

Finding the Fourth Proportional to 18,450.24, 27,699.96 and 10,159.68

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Solution

The fourth proportional to 18,450.24, 27,699.96 and 10,159.68 is: 15,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,450.24 : 27,699.96 = 10,159.68 : x
  2. Step 2: Convert to fraction form
    18,450.24/27,699.96 = 10,159.68/x
  3. Step 3: Cross multiply
    18,450.24x = 27,699.96 × 10,159.68
  4. Step 4: Simplify right side
    18,450.24x = 281,422,729.61
  5. Step 5: Solve for x
    x = 281,422,729.61/18,450.24
  6. Step 6: Final answer
    x = 15,253.07

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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.