Home / 19,963.10-27,548.16-11,009.90

Finding the Fourth Proportional to 19,963.10, 27,548.16 and 11,009.90

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Solution

The fourth proportional to 19,963.10, 27,548.16 and 11,009.90 is: 15,193.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,963.10 : 27,548.16 = 11,009.90 : x
  2. Step 2: Convert to fraction form
    19,963.10/27,548.16 = 11,009.90/x
  3. Step 3: Cross multiply
    19,963.10x = 27,548.16 × 11,009.90
  4. Step 4: Simplify right side
    19,963.10x = 303,302,486.78
  5. Step 5: Solve for x
    x = 303,302,486.78/19,963.10
  6. Step 6: Final answer
    x = 15,193.16

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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.