Home / 13,623.56-18,799.98-8,327.24

Finding the Fourth Proportional to 13,623.56, 18,799.98 and 8,327.24

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Solution

The fourth proportional to 13,623.56, 18,799.98 and 8,327.24 is: 11,491.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623.56 : 18,799.98 = 8,327.24 : x
  2. Step 2: Convert to fraction form
    13,623.56/18,799.98 = 8,327.24/x
  3. Step 3: Cross multiply
    13,623.56x = 18,799.98 × 8,327.24
  4. Step 4: Simplify right side
    13,623.56x = 156,551,945.46
  5. Step 5: Solve for x
    x = 156,551,945.46/13,623.56
  6. Step 6: Final answer
    x = 11,491.27

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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.