Home / 22,732.72-31,368.92-13,299.44

Finding the Fourth Proportional to 22,732.72, 31,368.92 and 13,299.44

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Solution

The fourth proportional to 22,732.72, 31,368.92 and 13,299.44 is: 18,351.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,732.72 : 31,368.92 = 13,299.44 : x
  2. Step 2: Convert to fraction form
    22,732.72/31,368.92 = 13,299.44/x
  3. Step 3: Cross multiply
    22,732.72x = 31,368.92 × 13,299.44
  4. Step 4: Simplify right side
    22,732.72x = 417,189,069.40
  5. Step 5: Solve for x
    x = 417,189,069.40/22,732.72
  6. Step 6: Final answer
    x = 18,351.92

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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.