Home / 18,631.36-27,941.04-6,148.48

Finding the Fourth Proportional to 18,631.36, 27,941.04 and 6,148.48

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Solution

The fourth proportional to 18,631.36, 27,941.04 and 6,148.48 is: 9,220.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.36 : 27,941.04 = 6,148.48 : x
  2. Step 2: Convert to fraction form
    18,631.36/27,941.04 = 6,148.48/x
  3. Step 3: Cross multiply
    18,631.36x = 27,941.04 × 6,148.48
  4. Step 4: Simplify right side
    18,631.36x = 171,794,925.62
  5. Step 5: Solve for x
    x = 171,794,925.62/18,631.36
  6. Step 6: Final answer
    x = 9,220.74

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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.