Home / 17,760.30-26,633.47-6,660.93

Finding the Fourth Proportional to 17,760.30, 26,633.47 and 6,660.93

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Solution

The fourth proportional to 17,760.30, 26,633.47 and 6,660.93 is: 9,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,760.30 : 26,633.47 = 6,660.93 : x
  2. Step 2: Convert to fraction form
    17,760.30/26,633.47 = 6,660.93/x
  3. Step 3: Cross multiply
    17,760.30x = 26,633.47 × 6,660.93
  4. Step 4: Simplify right side
    17,760.30x = 177,403,679.33
  5. Step 5: Solve for x
    x = 177,403,679.33/17,760.30
  6. Step 6: Final answer
    x = 9,988.78

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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.