Home / 19,532.70-29,302.69-6,385.79

Finding the Fourth Proportional to 19,532.70, 29,302.69 and 6,385.79

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Solution

The fourth proportional to 19,532.70, 29,302.69 and 6,385.79 is: 9,579.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,532.70 : 29,302.69 = 6,385.79 : x
  2. Step 2: Convert to fraction form
    19,532.70/29,302.69 = 6,385.79/x
  3. Step 3: Cross multiply
    19,532.70x = 29,302.69 × 6,385.79
  4. Step 4: Simplify right side
    19,532.70x = 187,120,824.78
  5. Step 5: Solve for x
    x = 187,120,824.78/19,532.70
  6. Step 6: Final answer
    x = 9,579.88

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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.