Home / 23,027.20-34,372.68-19,761.28

Finding the Fourth Proportional to 23,027.20, 34,372.68 and 19,761.28

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Solution

The fourth proportional to 23,027.20, 34,372.68 and 19,761.28 is: 29,497.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,027.20 : 34,372.68 = 19,761.28 : x
  2. Step 2: Convert to fraction form
    23,027.20/34,372.68 = 19,761.28/x
  3. Step 3: Cross multiply
    23,027.20x = 34,372.68 × 19,761.28
  4. Step 4: Simplify right side
    23,027.20x = 679,248,153.83
  5. Step 5: Solve for x
    x = 679,248,153.83/23,027.20
  6. Step 6: Final answer
    x = 29,497.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.