Home / 15,541.67-23,319.47-8,144.44

Finding the Fourth Proportional to 15,541.67, 23,319.47 and 8,144.44

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Solution

The fourth proportional to 15,541.67, 23,319.47 and 8,144.44 is: 12,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,541.67 : 23,319.47 = 8,144.44 : x
  2. Step 2: Convert to fraction form
    15,541.67/23,319.47 = 8,144.44/x
  3. Step 3: Cross multiply
    15,541.67x = 23,319.47 × 8,144.44
  4. Step 4: Simplify right side
    15,541.67x = 189,923,986.31
  5. Step 5: Solve for x
    x = 189,923,986.31/15,541.67
  6. Step 6: Final answer
    x = 12,220.31

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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.