Home / 15,062.08-22,575.78-8,122

Finding the Fourth Proportional to 15,062.08, 22,575.78 and 8,122

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Solution

The fourth proportional to 15,062.08, 22,575.78 and 8,122 is: 12,173.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,062.08 : 22,575.78 = 8,122 : x
  2. Step 2: Convert to fraction form
    15,062.08/22,575.78 = 8,122/x
  3. Step 3: Cross multiply
    15,062.08x = 22,575.78 × 8,122
  4. Step 4: Simplify right side
    15,062.08x = 183,360,485.16
  5. Step 5: Solve for x
    x = 183,360,485.16/15,062.08
  6. Step 6: Final answer
    x = 12,173.65

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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.