Home / 15,629.28-23,439.74-4,383.94

Finding the Fourth Proportional to 15,629.28, 23,439.74 and 4,383.94

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Solution

The fourth proportional to 15,629.28, 23,439.74 and 4,383.94 is: 6,574.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,629.28 : 23,439.74 = 4,383.94 : x
  2. Step 2: Convert to fraction form
    15,629.28/23,439.74 = 4,383.94/x
  3. Step 3: Cross multiply
    15,629.28x = 23,439.74 × 4,383.94
  4. Step 4: Simplify right side
    15,629.28x = 102,758,413.78
  5. Step 5: Solve for x
    x = 102,758,413.78/15,629.28
  6. Step 6: Final answer
    x = 6,574.74

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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.