Home / 14,238.54-21,353.19-4,748.34

Finding the Fourth Proportional to 14,238.54, 21,353.19 and 4,748.34

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Solution

The fourth proportional to 14,238.54, 21,353.19 and 4,748.34 is: 7,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,238.54 : 21,353.19 = 4,748.34 : x
  2. Step 2: Convert to fraction form
    14,238.54/21,353.19 = 4,748.34/x
  3. Step 3: Cross multiply
    14,238.54x = 21,353.19 × 4,748.34
  4. Step 4: Simplify right side
    14,238.54x = 101,392,206.20
  5. Step 5: Solve for x
    x = 101,392,206.20/14,238.54
  6. Step 6: Final answer
    x = 7,120.97

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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.