Home / 18,437.06-27,655.61-7,900.24

Finding the Fourth Proportional to 18,437.06, 27,655.61 and 7,900.24

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Solution

The fourth proportional to 18,437.06, 27,655.61 and 7,900.24 is: 11,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,437.06 : 27,655.61 = 7,900.24 : x
  2. Step 2: Convert to fraction form
    18,437.06/27,655.61 = 7,900.24/x
  3. Step 3: Cross multiply
    18,437.06x = 27,655.61 × 7,900.24
  4. Step 4: Simplify right side
    18,437.06x = 218,485,956.35
  5. Step 5: Solve for x
    x = 218,485,956.35/18,437.06
  6. Step 6: Final answer
    x = 11,850.37

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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.