Home / 19,646.31-27,112.50-12,097.00

Finding the Fourth Proportional to 19,646.31, 27,112.50 and 12,097.00

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Solution

The fourth proportional to 19,646.31, 27,112.50 and 12,097.00 is: 16,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.31 : 27,112.50 = 12,097.00 : x
  2. Step 2: Convert to fraction form
    19,646.31/27,112.50 = 12,097.00/x
  3. Step 3: Cross multiply
    19,646.31x = 27,112.50 × 12,097.00
  4. Step 4: Simplify right side
    19,646.31x = 327,979,844.72
  5. Step 5: Solve for x
    x = 327,979,844.72/19,646.31
  6. Step 6: Final answer
    x = 16,694.22

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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.