Home / 13,393.46-18,481.26-7,425.07

Finding the Fourth Proportional to 13,393.46, 18,481.26 and 7,425.07

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Solution

The fourth proportional to 13,393.46, 18,481.26 and 7,425.07 is: 10,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,393.46 : 18,481.26 = 7,425.07 : x
  2. Step 2: Convert to fraction form
    13,393.46/18,481.26 = 7,425.07/x
  3. Step 3: Cross multiply
    13,393.46x = 18,481.26 × 7,425.07
  4. Step 4: Simplify right side
    13,393.46x = 137,224,649.19
  5. Step 5: Solve for x
    x = 137,224,649.19/13,393.46
  6. Step 6: Final answer
    x = 10,245.65

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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.