Home / 13,830.32-20,733.72-5,059.28

Finding the Fourth Proportional to 13,830.32, 20,733.72 and 5,059.28

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Solution

The fourth proportional to 13,830.32, 20,733.72 and 5,059.28 is: 7,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,830.32 : 20,733.72 = 5,059.28 : x
  2. Step 2: Convert to fraction form
    13,830.32/20,733.72 = 5,059.28/x
  3. Step 3: Cross multiply
    13,830.32x = 20,733.72 × 5,059.28
  4. Step 4: Simplify right side
    13,830.32x = 104,897,694.92
  5. Step 5: Solve for x
    x = 104,897,694.92/13,830.32
  6. Step 6: Final answer
    x = 7,584.62

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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.