Home / 13,142.44-19,679.10-10,066.60

Finding the Fourth Proportional to 13,142.44, 19,679.10 and 10,066.60

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Solution

The fourth proportional to 13,142.44, 19,679.10 and 10,066.60 is: 15,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,142.44 : 19,679.10 = 10,066.60 : x
  2. Step 2: Convert to fraction form
    13,142.44/19,679.10 = 10,066.60/x
  3. Step 3: Cross multiply
    13,142.44x = 19,679.10 × 10,066.60
  4. Step 4: Simplify right side
    13,142.44x = 198,101,628.06
  5. Step 5: Solve for x
    x = 198,101,628.06/13,142.44
  6. Step 6: Final answer
    x = 15,073.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.