Home / 13,635.24-18,796.30-8,326.50

Finding the Fourth Proportional to 13,635.24, 18,796.30 and 8,326.50

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Solution

The fourth proportional to 13,635.24, 18,796.30 and 8,326.50 is: 11,478.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635.24 : 18,796.30 = 8,326.50 : x
  2. Step 2: Convert to fraction form
    13,635.24/18,796.30 = 8,326.50/x
  3. Step 3: Cross multiply
    13,635.24x = 18,796.30 × 8,326.50
  4. Step 4: Simplify right side
    13,635.24x = 156,507,347.48
  5. Step 5: Solve for x
    x = 156,507,347.48/13,635.24
  6. Step 6: Final answer
    x = 11,478.15

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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.