Home / 13,231.96-18,260.24-7,263.88

Finding the Fourth Proportional to 13,231.96, 18,260.24 and 7,263.88

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Solution

The fourth proportional to 13,231.96, 18,260.24 and 7,263.88 is: 10,024.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.96 : 18,260.24 = 7,263.88 : x
  2. Step 2: Convert to fraction form
    13,231.96/18,260.24 = 7,263.88/x
  3. Step 3: Cross multiply
    13,231.96x = 18,260.24 × 7,263.88
  4. Step 4: Simplify right side
    13,231.96x = 132,640,110.16
  5. Step 5: Solve for x
    x = 132,640,110.16/13,231.96
  6. Step 6: Final answer
    x = 10,024.22

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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.