Home / 19,989.36-27,576.18-11,601

Finding the Fourth Proportional to 19,989.36, 27,576.18 and 11,601

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Solution

The fourth proportional to 19,989.36, 27,576.18 and 11,601 is: 16,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,989.36 : 27,576.18 = 11,601 : x
  2. Step 2: Convert to fraction form
    19,989.36/27,576.18 = 11,601/x
  3. Step 3: Cross multiply
    19,989.36x = 27,576.18 × 11,601
  4. Step 4: Simplify right side
    19,989.36x = 319,911,264.18
  5. Step 5: Solve for x
    x = 319,911,264.18/19,989.36
  6. Step 6: Final answer
    x = 16,004.08

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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.