Home / 26,814.78-40,196.79-9,272.34

Finding the Fourth Proportional to 26,814.78, 40,196.79 and 9,272.34

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Solution

The fourth proportional to 26,814.78, 40,196.79 and 9,272.34 is: 13,899.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,814.78 : 40,196.79 = 9,272.34 : x
  2. Step 2: Convert to fraction form
    26,814.78/40,196.79 = 9,272.34/x
  3. Step 3: Cross multiply
    26,814.78x = 40,196.79 × 9,272.34
  4. Step 4: Simplify right side
    26,814.78x = 372,718,303.79
  5. Step 5: Solve for x
    x = 372,718,303.79/26,814.78
  6. Step 6: Final answer
    x = 13,899.73

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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.