Home / 13,066.41-18,035.75-8,350.68

Finding the Fourth Proportional to 13,066.41, 18,035.75 and 8,350.68

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Solution

The fourth proportional to 13,066.41, 18,035.75 and 8,350.68 is: 11,526.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066.41 : 18,035.75 = 8,350.68 : x
  2. Step 2: Convert to fraction form
    13,066.41/18,035.75 = 8,350.68/x
  3. Step 3: Cross multiply
    13,066.41x = 18,035.75 × 8,350.68
  4. Step 4: Simplify right side
    13,066.41x = 150,610,735.06
  5. Step 5: Solve for x
    x = 150,610,735.06/13,066.41
  6. Step 6: Final answer
    x = 11,526.56

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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.