Home / 14,568.12-21,881.62-8,735.80

Finding the Fourth Proportional to 14,568.12, 21,881.62 and 8,735.80

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Solution

The fourth proportional to 14,568.12, 21,881.62 and 8,735.80 is: 13,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,568.12 : 21,881.62 = 8,735.80 : x
  2. Step 2: Convert to fraction form
    14,568.12/21,881.62 = 8,735.80/x
  3. Step 3: Cross multiply
    14,568.12x = 21,881.62 × 8,735.80
  4. Step 4: Simplify right side
    14,568.12x = 191,153,456.00
  5. Step 5: Solve for x
    x = 191,153,456.00/14,568.12
  6. Step 6: Final answer
    x = 13,121.35

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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.