Home / 17,041.90-25,600.12-12,143.02

Finding the Fourth Proportional to 17,041.90, 25,600.12 and 12,143.02

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Solution

The fourth proportional to 17,041.90, 25,600.12 and 12,143.02 is: 18,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,041.90 : 25,600.12 = 12,143.02 : x
  2. Step 2: Convert to fraction form
    17,041.90/25,600.12 = 12,143.02/x
  3. Step 3: Cross multiply
    17,041.90x = 25,600.12 × 12,143.02
  4. Step 4: Simplify right side
    17,041.90x = 310,862,769.16
  5. Step 5: Solve for x
    x = 310,862,769.16/17,041.90
  6. Step 6: Final answer
    x = 18,241.09

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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.