Home / 14,135.70-21,200.00-5,818.04

Finding the Fourth Proportional to 14,135.70, 21,200.00 and 5,818.04

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Solution

The fourth proportional to 14,135.70, 21,200.00 and 5,818.04 is: 8,725.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.70 : 21,200.00 = 5,818.04 : x
  2. Step 2: Convert to fraction form
    14,135.70/21,200.00 = 5,818.04/x
  3. Step 3: Cross multiply
    14,135.70x = 21,200.00 × 5,818.04
  4. Step 4: Simplify right side
    14,135.70x = 123,342,312.91
  5. Step 5: Solve for x
    x = 123,342,312.91/14,135.70
  6. Step 6: Final answer
    x = 8,725.59

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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.