Home / 14,507.27-21,760.91-3,977.40

Finding the Fourth Proportional to 14,507.27, 21,760.91 and 3,977.40

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Solution

The fourth proportional to 14,507.27, 21,760.91 and 3,977.40 is: 5,966.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,507.27 : 21,760.91 = 3,977.40 : x
  2. Step 2: Convert to fraction form
    14,507.27/21,760.91 = 3,977.40/x
  3. Step 3: Cross multiply
    14,507.27x = 21,760.91 × 3,977.40
  4. Step 4: Simplify right side
    14,507.27x = 86,551,843.43
  5. Step 5: Solve for x
    x = 86,551,843.43/14,507.27
  6. Step 6: Final answer
    x = 5,966.10

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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.