Home / 17,618.96-26,428.44-5,306.96

Finding the Fourth Proportional to 17,618.96, 26,428.44 and 5,306.96

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Solution

The fourth proportional to 17,618.96, 26,428.44 and 5,306.96 is: 7,960.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,618.96 : 26,428.44 = 5,306.96 : x
  2. Step 2: Convert to fraction form
    17,618.96/26,428.44 = 5,306.96/x
  3. Step 3: Cross multiply
    17,618.96x = 26,428.44 × 5,306.96
  4. Step 4: Simplify right side
    17,618.96x = 140,254,673.94
  5. Step 5: Solve for x
    x = 140,254,673.94/17,618.96
  6. Step 6: Final answer
    x = 7,960.44

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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.