Home / 12,531.41-18,806.22-10,095.65

Finding the Fourth Proportional to 12,531.41, 18,806.22 and 10,095.65

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Solution

The fourth proportional to 12,531.41, 18,806.22 and 10,095.65 is: 15,150.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.41 : 18,806.22 = 10,095.65 : x
  2. Step 2: Convert to fraction form
    12,531.41/18,806.22 = 10,095.65/x
  3. Step 3: Cross multiply
    12,531.41x = 18,806.22 × 10,095.65
  4. Step 4: Simplify right side
    12,531.41x = 189,861,014.94
  5. Step 5: Solve for x
    x = 189,861,014.94/12,531.41
  6. Step 6: Final answer
    x = 15,150.81

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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.