Home / 22,679.23-31,299.93-12,608.67

Finding the Fourth Proportional to 22,679.23, 31,299.93 and 12,608.67

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Solution

The fourth proportional to 22,679.23, 31,299.93 and 12,608.67 is: 17,401.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,679.23 : 31,299.93 = 12,608.67 : x
  2. Step 2: Convert to fraction form
    22,679.23/31,299.93 = 12,608.67/x
  3. Step 3: Cross multiply
    22,679.23x = 31,299.93 × 12,608.67
  4. Step 4: Simplify right side
    22,679.23x = 394,650,488.39
  5. Step 5: Solve for x
    x = 394,650,488.39/22,679.23
  6. Step 6: Final answer
    x = 17,401.41

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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.