Home / 18,730.18-28,098.03-7,046.14

Finding the Fourth Proportional to 18,730.18, 28,098.03 and 7,046.14

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Solution

The fourth proportional to 18,730.18, 28,098.03 and 7,046.14 is: 10,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,730.18 : 28,098.03 = 7,046.14 : x
  2. Step 2: Convert to fraction form
    18,730.18/28,098.03 = 7,046.14/x
  3. Step 3: Cross multiply
    18,730.18x = 28,098.03 × 7,046.14
  4. Step 4: Simplify right side
    18,730.18x = 197,982,653.10
  5. Step 5: Solve for x
    x = 197,982,653.10/18,730.18
  6. Step 6: Final answer
    x = 10,570.25

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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.