Home / 15,616.32-23,424.49-3,929.54

Finding the Fourth Proportional to 15,616.32, 23,424.49 and 3,929.54

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Solution

The fourth proportional to 15,616.32, 23,424.49 and 3,929.54 is: 5,894.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,616.32 : 23,424.49 = 3,929.54 : x
  2. Step 2: Convert to fraction form
    15,616.32/23,424.49 = 3,929.54/x
  3. Step 3: Cross multiply
    15,616.32x = 23,424.49 × 3,929.54
  4. Step 4: Simplify right side
    15,616.32x = 92,047,480.26
  5. Step 5: Solve for x
    x = 92,047,480.26/15,616.32
  6. Step 6: Final answer
    x = 5,894.31

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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.