Home / 17,066.81-25,600.21-5,380.02

Finding the Fourth Proportional to 17,066.81, 25,600.21 and 5,380.02

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Solution

The fourth proportional to 17,066.81, 25,600.21 and 5,380.02 is: 8,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,066.81 : 25,600.21 = 5,380.02 : x
  2. Step 2: Convert to fraction form
    17,066.81/25,600.21 = 5,380.02/x
  3. Step 3: Cross multiply
    17,066.81x = 25,600.21 × 5,380.02
  4. Step 4: Simplify right side
    17,066.81x = 137,729,641.80
  5. Step 5: Solve for x
    x = 137,729,641.80/17,066.81
  6. Step 6: Final answer
    x = 8,070.03

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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.