Home / 19,851.72-27,386.64-12,296.04

Finding the Fourth Proportional to 19,851.72, 27,386.64 and 12,296.04

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Solution

The fourth proportional to 19,851.72, 27,386.64 and 12,296.04 is: 16,963.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,851.72 : 27,386.64 = 12,296.04 : x
  2. Step 2: Convert to fraction form
    19,851.72/27,386.64 = 12,296.04/x
  3. Step 3: Cross multiply
    19,851.72x = 27,386.64 × 12,296.04
  4. Step 4: Simplify right side
    19,851.72x = 336,747,220.91
  5. Step 5: Solve for x
    x = 336,747,220.91/19,851.72
  6. Step 6: Final answer
    x = 16,963.13

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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.