Home / 16,892.80-25,344.60-7,529.20

Finding the Fourth Proportional to 16,892.80, 25,344.60 and 7,529.20

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Solution

The fourth proportional to 16,892.80, 25,344.60 and 7,529.20 is: 11,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,892.80 : 25,344.60 = 7,529.20 : x
  2. Step 2: Convert to fraction form
    16,892.80/25,344.60 = 7,529.20/x
  3. Step 3: Cross multiply
    16,892.80x = 25,344.60 × 7,529.20
  4. Step 4: Simplify right side
    16,892.80x = 190,824,562.32
  5. Step 5: Solve for x
    x = 190,824,562.32/16,892.80
  6. Step 6: Final answer
    x = 11,296.21

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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.