Home / 26,980.71-40,453.55-11,181.47

Finding the Fourth Proportional to 26,980.71, 40,453.55 and 11,181.47

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Solution

The fourth proportional to 26,980.71, 40,453.55 and 11,181.47 is: 16,764.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.71 : 40,453.55 = 11,181.47 : x
  2. Step 2: Convert to fraction form
    26,980.71/40,453.55 = 11,181.47/x
  3. Step 3: Cross multiply
    26,980.71x = 40,453.55 × 11,181.47
  4. Step 4: Simplify right side
    26,980.71x = 452,329,897.54
  5. Step 5: Solve for x
    x = 452,329,897.54/26,980.71
  6. Step 6: Final answer
    x = 16,764.94

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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.