Home / 18,141.24-27,222.37-7,610.32

Finding the Fourth Proportional to 18,141.24, 27,222.37 and 7,610.32

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Solution

The fourth proportional to 18,141.24, 27,222.37 and 7,610.32 is: 11,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,141.24 : 27,222.37 = 7,610.32 : x
  2. Step 2: Convert to fraction form
    18,141.24/27,222.37 = 7,610.32/x
  3. Step 3: Cross multiply
    18,141.24x = 27,222.37 × 7,610.32
  4. Step 4: Simplify right side
    18,141.24x = 207,170,946.86
  5. Step 5: Solve for x
    x = 207,170,946.86/18,141.24
  6. Step 6: Final answer
    x = 11,419.89

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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.