Home / 14,103.68-21,158.26-4,743.32

Finding the Fourth Proportional to 14,103.68, 21,158.26 and 4,743.32

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Solution

The fourth proportional to 14,103.68, 21,158.26 and 4,743.32 is: 7,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.68 : 21,158.26 = 4,743.32 : x
  2. Step 2: Convert to fraction form
    14,103.68/21,158.26 = 4,743.32/x
  3. Step 3: Cross multiply
    14,103.68x = 21,158.26 × 4,743.32
  4. Step 4: Simplify right side
    14,103.68x = 100,360,397.82
  5. Step 5: Solve for x
    x = 100,360,397.82/14,103.68
  6. Step 6: Final answer
    x = 7,115.90

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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.