Home / 25,289.96-34,814.41-21,732.44

Finding the Fourth Proportional to 25,289.96, 34,814.41 and 21,732.44

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Solution

The fourth proportional to 25,289.96, 34,814.41 and 21,732.44 is: 29,917.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,289.96 : 34,814.41 = 21,732.44 : x
  2. Step 2: Convert to fraction form
    25,289.96/34,814.41 = 21,732.44/x
  3. Step 3: Cross multiply
    25,289.96x = 34,814.41 × 21,732.44
  4. Step 4: Simplify right side
    25,289.96x = 756,601,848.06
  5. Step 5: Solve for x
    x = 756,601,848.06/25,289.96
  6. Step 6: Final answer
    x = 29,917.09

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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.