Home / 14,527.15-21,772.45-7,863.38

Finding the Fourth Proportional to 14,527.15, 21,772.45 and 7,863.38

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Solution

The fourth proportional to 14,527.15, 21,772.45 and 7,863.38 is: 11,785.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,527.15 : 21,772.45 = 7,863.38 : x
  2. Step 2: Convert to fraction form
    14,527.15/21,772.45 = 7,863.38/x
  3. Step 3: Cross multiply
    14,527.15x = 21,772.45 × 7,863.38
  4. Step 4: Simplify right side
    14,527.15x = 171,204,986.26
  5. Step 5: Solve for x
    x = 171,204,986.26/14,527.15
  6. Step 6: Final answer
    x = 11,785.18

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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.