Home / 22,679.22-31,293.86-12,607.74

Finding the Fourth Proportional to 22,679.22, 31,293.86 and 12,607.74

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Solution

The fourth proportional to 22,679.22, 31,293.86 and 12,607.74 is: 17,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.22 : 31,293.86 = 12,607.74 : x
  2. Step 2: Convert to fraction form
    22,679.22/31,293.86 = 12,607.74/x
  3. Step 3: Cross multiply
    22,679.22x = 31,293.86 × 12,607.74
  4. Step 4: Simplify right side
    22,679.22x = 394,544,850.48
  5. Step 5: Solve for x
    x = 394,544,850.48/22,679.22
  6. Step 6: Final answer
    x = 17,396.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.