Home / 14,855.61-22,285.70-4,857.21

Finding the Fourth Proportional to 14,855.61, 22,285.70 and 4,857.21

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Solution

The fourth proportional to 14,855.61, 22,285.70 and 4,857.21 is: 7,286.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.61 : 22,285.70 = 4,857.21 : x
  2. Step 2: Convert to fraction form
    14,855.61/22,285.70 = 4,857.21/x
  3. Step 3: Cross multiply
    14,855.61x = 22,285.70 × 4,857.21
  4. Step 4: Simplify right side
    14,855.61x = 108,246,300.61
  5. Step 5: Solve for x
    x = 108,246,300.61/14,855.61
  6. Step 6: Final answer
    x = 7,286.56

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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.