Home / 38,127.36-57,192.64-11,849.92

Finding the Fourth Proportional to 38,127.36, 57,192.64 and 11,849.92

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Solution

The fourth proportional to 38,127.36, 57,192.64 and 11,849.92 is: 17,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,127.36 : 57,192.64 = 11,849.92 : x
  2. Step 2: Convert to fraction form
    38,127.36/57,192.64 = 11,849.92/x
  3. Step 3: Cross multiply
    38,127.36x = 57,192.64 × 11,849.92
  4. Step 4: Simplify right side
    38,127.36x = 677,728,208.59
  5. Step 5: Solve for x
    x = 677,728,208.59/38,127.36
  6. Step 6: Final answer
    x = 17,775.38

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1.5x scale

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.