Home / 19,631.01-29,429.51-7,936.64

Finding the Fourth Proportional to 19,631.01, 29,429.51 and 7,936.64

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Solution

The fourth proportional to 19,631.01, 29,429.51 and 7,936.64 is: 11,898.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,631.01 : 29,429.51 = 7,936.64 : x
  2. Step 2: Convert to fraction form
    19,631.01/29,429.51 = 7,936.64/x
  3. Step 3: Cross multiply
    19,631.01x = 29,429.51 × 7,936.64
  4. Step 4: Simplify right side
    19,631.01x = 233,571,394.42
  5. Step 5: Solve for x
    x = 233,571,394.42/19,631.01
  6. Step 6: Final answer
    x = 11,898.08

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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.