Home / 26,982.76-40,479.54-10,342.12

Finding the Fourth Proportional to 26,982.76, 40,479.54 and 10,342.12

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Solution

The fourth proportional to 26,982.76, 40,479.54 and 10,342.12 is: 15,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,982.76 : 40,479.54 = 10,342.12 : x
  2. Step 2: Convert to fraction form
    26,982.76/40,479.54 = 10,342.12/x
  3. Step 3: Cross multiply
    26,982.76x = 40,479.54 × 10,342.12
  4. Step 4: Simplify right side
    26,982.76x = 418,644,260.22
  5. Step 5: Solve for x
    x = 418,644,260.22/26,982.76
  6. Step 6: Final answer
    x = 15,515.25

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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.