Home / 13,233.17-18,262.67-8,749.22

Finding the Fourth Proportional to 13,233.17, 18,262.67 and 8,749.22

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Solution

The fourth proportional to 13,233.17, 18,262.67 and 8,749.22 is: 12,074.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,233.17 : 18,262.67 = 8,749.22 : x
  2. Step 2: Convert to fraction form
    13,233.17/18,262.67 = 8,749.22/x
  3. Step 3: Cross multiply
    13,233.17x = 18,262.67 × 8,749.22
  4. Step 4: Simplify right side
    13,233.17x = 159,783,982.56
  5. Step 5: Solve for x
    x = 159,783,982.56/13,233.17
  6. Step 6: Final answer
    x = 12,074.50

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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.