Home / 13,231.41-18,254.66-7,562.03

Finding the Fourth Proportional to 13,231.41, 18,254.66 and 7,562.03

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Solution

The fourth proportional to 13,231.41, 18,254.66 and 7,562.03 is: 10,432.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,231.41 : 18,254.66 = 7,562.03 : x
  2. Step 2: Convert to fraction form
    13,231.41/18,254.66 = 7,562.03/x
  3. Step 3: Cross multiply
    13,231.41x = 18,254.66 × 7,562.03
  4. Step 4: Simplify right side
    13,231.41x = 138,042,157.48
  5. Step 5: Solve for x
    x = 138,042,157.48/13,231.41
  6. Step 6: Final answer
    x = 10,432.91

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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.