Home / 18,148.72-27,224.52-5,002.16

Finding the Fourth Proportional to 18,148.72, 27,224.52 and 5,002.16

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Solution

The fourth proportional to 18,148.72, 27,224.52 and 5,002.16 is: 7,503.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148.72 : 27,224.52 = 5,002.16 : x
  2. Step 2: Convert to fraction form
    18,148.72/27,224.52 = 5,002.16/x
  3. Step 3: Cross multiply
    18,148.72x = 27,224.52 × 5,002.16
  4. Step 4: Simplify right side
    18,148.72x = 136,181,404.96
  5. Step 5: Solve for x
    x = 136,181,404.96/18,148.72
  6. Step 6: Final answer
    x = 7,503.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.