Home / 14,042.70-21,057.30-4,178.52

Finding the Fourth Proportional to 14,042.70, 21,057.30 and 4,178.52

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Solution

The fourth proportional to 14,042.70, 21,057.30 and 4,178.52 is: 6,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,042.70 : 21,057.30 = 4,178.52 : x
  2. Step 2: Convert to fraction form
    14,042.70/21,057.30 = 4,178.52/x
  3. Step 3: Cross multiply
    14,042.70x = 21,057.30 × 4,178.52
  4. Step 4: Simplify right side
    14,042.70x = 87,988,349.20
  5. Step 5: Solve for x
    x = 87,988,349.20/14,042.70
  6. Step 6: Final answer
    x = 6,265.77

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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.