Home / 15,606.64-23,400.56-7,691.75

Finding the Fourth Proportional to 15,606.64, 23,400.56 and 7,691.75

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Solution

The fourth proportional to 15,606.64, 23,400.56 and 7,691.75 is: 11,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,606.64 : 23,400.56 = 7,691.75 : x
  2. Step 2: Convert to fraction form
    15,606.64/23,400.56 = 7,691.75/x
  3. Step 3: Cross multiply
    15,606.64x = 23,400.56 × 7,691.75
  4. Step 4: Simplify right side
    15,606.64x = 179,991,182.00
  5. Step 5: Solve for x
    x = 179,991,182.00/15,606.64
  6. Step 6: Final answer
    x = 11,532.99

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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.