Home / 15,523.29-23,277.79-4,991.36

Finding the Fourth Proportional to 15,523.29, 23,277.79 and 4,991.36

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Solution

The fourth proportional to 15,523.29, 23,277.79 and 4,991.36 is: 7,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.29 : 23,277.79 = 4,991.36 : x
  2. Step 2: Convert to fraction form
    15,523.29/23,277.79 = 4,991.36/x
  3. Step 3: Cross multiply
    15,523.29x = 23,277.79 × 4,991.36
  4. Step 4: Simplify right side
    15,523.29x = 116,187,894.33
  5. Step 5: Solve for x
    x = 116,187,894.33/15,523.29
  6. Step 6: Final answer
    x = 7,484.75

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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.