Home / 23,131.72-34,686.74-8,338.68

Finding the Fourth Proportional to 23,131.72, 34,686.74 and 8,338.68

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Solution

The fourth proportional to 23,131.72, 34,686.74 and 8,338.68 is: 12,504.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,131.72 : 34,686.74 = 8,338.68 : x
  2. Step 2: Convert to fraction form
    23,131.72/34,686.74 = 8,338.68/x
  3. Step 3: Cross multiply
    23,131.72x = 34,686.74 × 8,338.68
  4. Step 4: Simplify right side
    23,131.72x = 289,241,625.10
  5. Step 5: Solve for x
    x = 289,241,625.10/23,131.72
  6. Step 6: Final answer
    x = 12,504.11

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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.