Home / 19,687.82-29,502.53-16,202.58

Finding the Fourth Proportional to 19,687.82, 29,502.53 and 16,202.58

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Solution

The fourth proportional to 19,687.82, 29,502.53 and 16,202.58 is: 24,279.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,687.82 : 29,502.53 = 16,202.58 : x
  2. Step 2: Convert to fraction form
    19,687.82/29,502.53 = 16,202.58/x
  3. Step 3: Cross multiply
    19,687.82x = 29,502.53 × 16,202.58
  4. Step 4: Simplify right side
    19,687.82x = 478,017,021.51
  5. Step 5: Solve for x
    x = 478,017,021.51/19,687.82
  6. Step 6: Final answer
    x = 24,279.84

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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.