Home / 15,647.22-23,474.43-5,117.70

Finding the Fourth Proportional to 15,647.22, 23,474.43 and 5,117.70

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Solution

The fourth proportional to 15,647.22, 23,474.43 and 5,117.70 is: 7,677.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.22 : 23,474.43 = 5,117.70 : x
  2. Step 2: Convert to fraction form
    15,647.22/23,474.43 = 5,117.70/x
  3. Step 3: Cross multiply
    15,647.22x = 23,474.43 × 5,117.70
  4. Step 4: Simplify right side
    15,647.22x = 120,135,090.41
  5. Step 5: Solve for x
    x = 120,135,090.41/15,647.22
  6. Step 6: Final answer
    x = 7,677.73

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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.