Home / 22,679.55-31,296.33-12,607.38

Finding the Fourth Proportional to 22,679.55, 31,296.33 and 12,607.38

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Solution

The fourth proportional to 22,679.55, 31,296.33 and 12,607.38 is: 17,397.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.55 : 31,296.33 = 12,607.38 : x
  2. Step 2: Convert to fraction form
    22,679.55/31,296.33 = 12,607.38/x
  3. Step 3: Cross multiply
    22,679.55x = 31,296.33 × 12,607.38
  4. Step 4: Simplify right side
    22,679.55x = 394,564,724.92
  5. Step 5: Solve for x
    x = 394,564,724.92/22,679.55
  6. Step 6: Final answer
    x = 17,397.38

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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.