Home / 15,115.14-22,653.56-8,545.06

Finding the Fourth Proportional to 15,115.14, 22,653.56 and 8,545.06

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Solution

The fourth proportional to 15,115.14, 22,653.56 and 8,545.06 is: 12,806.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.14 : 22,653.56 = 8,545.06 : x
  2. Step 2: Convert to fraction form
    15,115.14/22,653.56 = 8,545.06/x
  3. Step 3: Cross multiply
    15,115.14x = 22,653.56 × 8,545.06
  4. Step 4: Simplify right side
    15,115.14x = 193,576,029.41
  5. Step 5: Solve for x
    x = 193,576,029.41/15,115.14
  6. Step 6: Final answer
    x = 12,806.76

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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.