Home / 27,276.80-37,622.40-19,197.44

Finding the Fourth Proportional to 27,276.80, 37,622.40 and 19,197.44

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Solution

The fourth proportional to 27,276.80, 37,622.40 and 19,197.44 is: 26,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.80 : 37,622.40 = 19,197.44 : x
  2. Step 2: Convert to fraction form
    27,276.80/37,622.40 = 19,197.44/x
  3. Step 3: Cross multiply
    27,276.80x = 37,622.40 × 19,197.44
  4. Step 4: Simplify right side
    27,276.80x = 722,253,766.66
  5. Step 5: Solve for x
    x = 722,253,766.66/27,276.80
  6. Step 6: Final answer
    x = 26,478.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.