Home / 13,732.73-18,950.92-7,764.24

Finding the Fourth Proportional to 13,732.73, 18,950.92 and 7,764.24

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Solution

The fourth proportional to 13,732.73, 18,950.92 and 7,764.24 is: 10,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.73 : 18,950.92 = 7,764.24 : x
  2. Step 2: Convert to fraction form
    13,732.73/18,950.92 = 7,764.24/x
  3. Step 3: Cross multiply
    13,732.73x = 18,950.92 × 7,764.24
  4. Step 4: Simplify right side
    13,732.73x = 147,139,491.10
  5. Step 5: Solve for x
    x = 147,139,491.10/13,732.73
  6. Step 6: Final answer
    x = 10,714.51

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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.