Home / 26,730.54-40,109.76-19,395.54

Finding the Fourth Proportional to 26,730.54, 40,109.76 and 19,395.54

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Solution

The fourth proportional to 26,730.54, 40,109.76 and 19,395.54 is: 29,103.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,730.54 : 40,109.76 = 19,395.54 : x
  2. Step 2: Convert to fraction form
    26,730.54/40,109.76 = 19,395.54/x
  3. Step 3: Cross multiply
    26,730.54x = 40,109.76 × 19,395.54
  4. Step 4: Simplify right side
    26,730.54x = 777,950,454.47
  5. Step 5: Solve for x
    x = 777,950,454.47/26,730.54
  6. Step 6: Final answer
    x = 29,103.43

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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.