Home / 17,845.72-24,638.40-11,475.28

Finding the Fourth Proportional to 17,845.72, 24,638.40 and 11,475.28

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Solution

The fourth proportional to 17,845.72, 24,638.40 and 11,475.28 is: 15,843.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.72 : 24,638.40 = 11,475.28 : x
  2. Step 2: Convert to fraction form
    17,845.72/24,638.40 = 11,475.28/x
  3. Step 3: Cross multiply
    17,845.72x = 24,638.40 × 11,475.28
  4. Step 4: Simplify right side
    17,845.72x = 282,732,538.75
  5. Step 5: Solve for x
    x = 282,732,538.75/17,845.72
  6. Step 6: Final answer
    x = 15,843.16

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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.