Home / 19,684.02-27,163.92-10,731.51

Finding the Fourth Proportional to 19,684.02, 27,163.92 and 10,731.51

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Solution

The fourth proportional to 19,684.02, 27,163.92 and 10,731.51 is: 14,809.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.02 : 27,163.92 = 10,731.51 : x
  2. Step 2: Convert to fraction form
    19,684.02/27,163.92 = 10,731.51/x
  3. Step 3: Cross multiply
    19,684.02x = 27,163.92 × 10,731.51
  4. Step 4: Simplify right side
    19,684.02x = 291,509,879.12
  5. Step 5: Solve for x
    x = 291,509,879.12/19,684.02
  6. Step 6: Final answer
    x = 14,809.47

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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.