Home / 13,329.10-19,989.42-5,536

Finding the Fourth Proportional to 13,329.10, 19,989.42 and 5,536

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Solution

The fourth proportional to 13,329.10, 19,989.42 and 5,536 is: 8,302.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.10 : 19,989.42 = 5,536 : x
  2. Step 2: Convert to fraction form
    13,329.10/19,989.42 = 5,536/x
  3. Step 3: Cross multiply
    13,329.10x = 19,989.42 × 5,536
  4. Step 4: Simplify right side
    13,329.10x = 110,661,429.12
  5. Step 5: Solve for x
    x = 110,661,429.12/13,329.10
  6. Step 6: Final answer
    x = 8,302.24

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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.