Home / 19,732.16-29,579.00-7,882.40

Finding the Fourth Proportional to 19,732.16, 29,579.00 and 7,882.40

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Solution

The fourth proportional to 19,732.16, 29,579.00 and 7,882.40 is: 11,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,732.16 : 29,579.00 = 7,882.40 : x
  2. Step 2: Convert to fraction form
    19,732.16/29,579.00 = 7,882.40/x
  3. Step 3: Cross multiply
    19,732.16x = 29,579.00 × 7,882.40
  4. Step 4: Simplify right side
    19,732.16x = 233,153,322.29
  5. Step 5: Solve for x
    x = 233,153,322.29/19,732.16
  6. Step 6: Final answer
    x = 11,815.91

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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.