Home / 14,100.62-21,152.95-4,738.64

Finding the Fourth Proportional to 14,100.62, 21,152.95 and 4,738.64

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Solution

The fourth proportional to 14,100.62, 21,152.95 and 4,738.64 is: 7,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,100.62 : 21,152.95 = 4,738.64 : x
  2. Step 2: Convert to fraction form
    14,100.62/21,152.95 = 4,738.64/x
  3. Step 3: Cross multiply
    14,100.62x = 21,152.95 × 4,738.64
  4. Step 4: Simplify right side
    14,100.62x = 100,236,097.38
  5. Step 5: Solve for x
    x = 100,236,097.38/14,100.62
  6. Step 6: Final answer
    x = 7,108.63

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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.