Home / 13,818.24-20,715.84-6,021.36

Finding the Fourth Proportional to 13,818.24, 20,715.84 and 6,021.36

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Solution

The fourth proportional to 13,818.24, 20,715.84 and 6,021.36 is: 9,027.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,818.24 : 20,715.84 = 6,021.36 : x
  2. Step 2: Convert to fraction form
    13,818.24/20,715.84 = 6,021.36/x
  3. Step 3: Cross multiply
    13,818.24x = 20,715.84 × 6,021.36
  4. Step 4: Simplify right side
    13,818.24x = 124,737,530.34
  5. Step 5: Solve for x
    x = 124,737,530.34/13,818.24
  6. Step 6: Final answer
    x = 9,027.02

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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.