Home / 13,579.43-18,744.21-8,552.07

Finding the Fourth Proportional to 13,579.43, 18,744.21 and 8,552.07

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Solution

The fourth proportional to 13,579.43, 18,744.21 and 8,552.07 is: 11,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579.43 : 18,744.21 = 8,552.07 : x
  2. Step 2: Convert to fraction form
    13,579.43/18,744.21 = 8,552.07/x
  3. Step 3: Cross multiply
    13,579.43x = 18,744.21 × 8,552.07
  4. Step 4: Simplify right side
    13,579.43x = 160,301,796.01
  5. Step 5: Solve for x
    x = 160,301,796.01/13,579.43
  6. Step 6: Final answer
    x = 11,804.75

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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.