Home / 21,192.58-31,760.65-11,176.93

Finding the Fourth Proportional to 21,192.58, 31,760.65 and 11,176.93

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Solution

The fourth proportional to 21,192.58, 31,760.65 and 11,176.93 is: 16,750.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,192.58 : 31,760.65 = 11,176.93 : x
  2. Step 2: Convert to fraction form
    21,192.58/31,760.65 = 11,176.93/x
  3. Step 3: Cross multiply
    21,192.58x = 31,760.65 × 11,176.93
  4. Step 4: Simplify right side
    21,192.58x = 354,986,561.80
  5. Step 5: Solve for x
    x = 354,986,561.80/21,192.58
  6. Step 6: Final answer
    x = 16,750.51

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