Home / 26,272.46-39,378.45-11,477.90

Finding the Fourth Proportional to 26,272.46, 39,378.45 and 11,477.90

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Solution

The fourth proportional to 26,272.46, 39,378.45 and 11,477.90 is: 17,203.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,272.46 : 39,378.45 = 11,477.90 : x
  2. Step 2: Convert to fraction form
    26,272.46/39,378.45 = 11,477.90/x
  3. Step 3: Cross multiply
    26,272.46x = 39,378.45 × 11,477.90
  4. Step 4: Simplify right side
    26,272.46x = 451,981,911.26
  5. Step 5: Solve for x
    x = 451,981,911.26/26,272.46
  6. Step 6: Final answer
    x = 17,203.64

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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.