Home / 17,126.38-25,689.18-7,892.38

Finding the Fourth Proportional to 17,126.38, 25,689.18 and 7,892.38

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Solution

The fourth proportional to 17,126.38, 25,689.18 and 7,892.38 is: 11,838.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,126.38 : 25,689.18 = 7,892.38 : x
  2. Step 2: Convert to fraction form
    17,126.38/25,689.18 = 7,892.38/x
  3. Step 3: Cross multiply
    17,126.38x = 25,689.18 × 7,892.38
  4. Step 4: Simplify right side
    17,126.38x = 202,748,770.45
  5. Step 5: Solve for x
    x = 202,748,770.45/17,126.38
  6. Step 6: Final answer
    x = 11,838.39

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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.