Home / 15,516.11-23,255.93-8,124.05

Finding the Fourth Proportional to 15,516.11, 23,255.93 and 8,124.05

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Solution

The fourth proportional to 15,516.11, 23,255.93 and 8,124.05 is: 12,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.11 : 23,255.93 = 8,124.05 : x
  2. Step 2: Convert to fraction form
    15,516.11/23,255.93 = 8,124.05/x
  3. Step 3: Cross multiply
    15,516.11x = 23,255.93 × 8,124.05
  4. Step 4: Simplify right side
    15,516.11x = 188,932,181.22
  5. Step 5: Solve for x
    x = 188,932,181.22/15,516.11
  6. Step 6: Final answer
    x = 12,176.52

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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.