Home / 13,152.20-19,732.91-6,824.04

Finding the Fourth Proportional to 13,152.20, 19,732.91 and 6,824.04

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Solution

The fourth proportional to 13,152.20, 19,732.91 and 6,824.04 is: 10,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152.20 : 19,732.91 = 6,824.04 : x
  2. Step 2: Convert to fraction form
    13,152.20/19,732.91 = 6,824.04/x
  3. Step 3: Cross multiply
    13,152.20x = 19,732.91 × 6,824.04
  4. Step 4: Simplify right side
    13,152.20x = 134,658,068.49
  5. Step 5: Solve for x
    x = 134,658,068.49/13,152.20
  6. Step 6: Final answer
    x = 10,238.45

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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.