Home / 14,053.92-21,100.32-7,133.28

Finding the Fourth Proportional to 14,053.92, 21,100.32 and 7,133.28

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Solution

The fourth proportional to 14,053.92, 21,100.32 and 7,133.28 is: 10,709.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.92 : 21,100.32 = 7,133.28 : x
  2. Step 2: Convert to fraction form
    14,053.92/21,100.32 = 7,133.28/x
  3. Step 3: Cross multiply
    14,053.92x = 21,100.32 × 7,133.28
  4. Step 4: Simplify right side
    14,053.92x = 150,514,490.65
  5. Step 5: Solve for x
    x = 150,514,490.65/14,053.92
  6. Step 6: Final answer
    x = 10,709.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.