Home / 14,103.18-21,155.84-4,743.24

Finding the Fourth Proportional to 14,103.18, 21,155.84 and 4,743.24

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Solution

The fourth proportional to 14,103.18, 21,155.84 and 4,743.24 is: 7,115.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.18 : 21,155.84 = 4,743.24 : x
  2. Step 2: Convert to fraction form
    14,103.18/21,155.84 = 4,743.24/x
  3. Step 3: Cross multiply
    14,103.18x = 21,155.84 × 4,743.24
  4. Step 4: Simplify right side
    14,103.18x = 100,347,226.52
  5. Step 5: Solve for x
    x = 100,347,226.52/14,103.18
  6. Step 6: Final answer
    x = 7,115.22

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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.