Home / 17,428.71-26,134.86-6,327.56

Finding the Fourth Proportional to 17,428.71, 26,134.86 and 6,327.56

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Solution

The fourth proportional to 17,428.71, 26,134.86 and 6,327.56 is: 9,488.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,428.71 : 26,134.86 = 6,327.56 : x
  2. Step 2: Convert to fraction form
    17,428.71/26,134.86 = 6,327.56/x
  3. Step 3: Cross multiply
    17,428.71x = 26,134.86 × 6,327.56
  4. Step 4: Simplify right side
    17,428.71x = 165,369,960.08
  5. Step 5: Solve for x
    x = 165,369,960.08/17,428.71
  6. Step 6: Final answer
    x = 9,488.36

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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.