Home / 15,743.25-23,618.52-5,355

Finding the Fourth Proportional to 15,743.25, 23,618.52 and 5,355

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Solution

The fourth proportional to 15,743.25, 23,618.52 and 5,355 is: 8,033.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,743.25 : 23,618.52 = 5,355 : x
  2. Step 2: Convert to fraction form
    15,743.25/23,618.52 = 5,355/x
  3. Step 3: Cross multiply
    15,743.25x = 23,618.52 × 5,355
  4. Step 4: Simplify right side
    15,743.25x = 126,477,174.60
  5. Step 5: Solve for x
    x = 126,477,174.60/15,743.25
  6. Step 6: Final answer
    x = 8,033.74

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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.