Home / 16,945.60-25,409.16-5,097.64

Finding the Fourth Proportional to 16,945.60, 25,409.16 and 5,097.64

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Solution

The fourth proportional to 16,945.60, 25,409.16 and 5,097.64 is: 7,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.60 : 25,409.16 = 5,097.64 : x
  2. Step 2: Convert to fraction form
    16,945.60/25,409.16 = 5,097.64/x
  3. Step 3: Cross multiply
    16,945.60x = 25,409.16 × 5,097.64
  4. Step 4: Simplify right side
    16,945.60x = 129,526,750.38
  5. Step 5: Solve for x
    x = 129,526,750.38/16,945.60
  6. Step 6: Final answer
    x = 7,643.68

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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.