Home / 15,282.94-22,915.29-4,749.79

Finding the Fourth Proportional to 15,282.94, 22,915.29 and 4,749.79

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Solution

The fourth proportional to 15,282.94, 22,915.29 and 4,749.79 is: 7,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,282.94 : 22,915.29 = 4,749.79 : x
  2. Step 2: Convert to fraction form
    15,282.94/22,915.29 = 4,749.79/x
  3. Step 3: Cross multiply
    15,282.94x = 22,915.29 × 4,749.79
  4. Step 4: Simplify right side
    15,282.94x = 108,842,815.29
  5. Step 5: Solve for x
    x = 108,842,815.29/15,282.94
  6. Step 6: Final answer
    x = 7,121.85

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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.