Home / 14,003.92-19,324.96-7,716.24

Finding the Fourth Proportional to 14,003.92, 19,324.96 and 7,716.24

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Solution

The fourth proportional to 14,003.92, 19,324.96 and 7,716.24 is: 10,648.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003.92 : 19,324.96 = 7,716.24 : x
  2. Step 2: Convert to fraction form
    14,003.92/19,324.96 = 7,716.24/x
  3. Step 3: Cross multiply
    14,003.92x = 19,324.96 × 7,716.24
  4. Step 4: Simplify right side
    14,003.92x = 149,116,029.35
  5. Step 5: Solve for x
    x = 149,116,029.35/14,003.92
  6. Step 6: Final answer
    x = 10,648.16

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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.