Home / 15,825.24-21,838.52-8,751.52

Finding the Fourth Proportional to 15,825.24, 21,838.52 and 8,751.52

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Solution

The fourth proportional to 15,825.24, 21,838.52 and 8,751.52 is: 12,076.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,825.24 : 21,838.52 = 8,751.52 : x
  2. Step 2: Convert to fraction form
    15,825.24/21,838.52 = 8,751.52/x
  3. Step 3: Cross multiply
    15,825.24x = 21,838.52 × 8,751.52
  4. Step 4: Simplify right side
    15,825.24x = 191,120,244.55
  5. Step 5: Solve for x
    x = 191,120,244.55/15,825.24
  6. Step 6: Final answer
    x = 12,076.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.