Home / 19,629.14-29,445.08-6,490.76

Finding the Fourth Proportional to 19,629.14, 29,445.08 and 6,490.76

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Solution

The fourth proportional to 19,629.14, 29,445.08 and 6,490.76 is: 9,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.14 : 29,445.08 = 6,490.76 : x
  2. Step 2: Convert to fraction form
    19,629.14/29,445.08 = 6,490.76/x
  3. Step 3: Cross multiply
    19,629.14x = 29,445.08 × 6,490.76
  4. Step 4: Simplify right side
    19,629.14x = 191,120,767.78
  5. Step 5: Solve for x
    x = 191,120,767.78/19,629.14
  6. Step 6: Final answer
    x = 9,736.59

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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.