Home / 14,097.20-21,147.24-4,862

Finding the Fourth Proportional to 14,097.20, 21,147.24 and 4,862

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Solution

The fourth proportional to 14,097.20, 21,147.24 and 4,862 is: 7,293.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.20 : 21,147.24 = 4,862 : x
  2. Step 2: Convert to fraction form
    14,097.20/21,147.24 = 4,862/x
  3. Step 3: Cross multiply
    14,097.20x = 21,147.24 × 4,862
  4. Step 4: Simplify right side
    14,097.20x = 102,817,880.88
  5. Step 5: Solve for x
    x = 102,817,880.88/14,097.20
  6. Step 6: Final answer
    x = 7,293.50

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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.