Home / 15,133.23-20,882.19-8,759.94

Finding the Fourth Proportional to 15,133.23, 20,882.19 and 8,759.94

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Solution

The fourth proportional to 15,133.23, 20,882.19 and 8,759.94 is: 12,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.23 : 20,882.19 = 8,759.94 : x
  2. Step 2: Convert to fraction form
    15,133.23/20,882.19 = 8,759.94/x
  3. Step 3: Cross multiply
    15,133.23x = 20,882.19 × 8,759.94
  4. Step 4: Simplify right side
    15,133.23x = 182,926,731.47
  5. Step 5: Solve for x
    x = 182,926,731.47/15,133.23
  6. Step 6: Final answer
    x = 12,087.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.