Home / 15,288.58-22,895.82-7,772.37

Finding the Fourth Proportional to 15,288.58, 22,895.82 and 7,772.37

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Solution

The fourth proportional to 15,288.58, 22,895.82 and 7,772.37 is: 11,639.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.58 : 22,895.82 = 7,772.37 : x
  2. Step 2: Convert to fraction form
    15,288.58/22,895.82 = 7,772.37/x
  3. Step 3: Cross multiply
    15,288.58x = 22,895.82 × 7,772.37
  4. Step 4: Simplify right side
    15,288.58x = 177,954,784.49
  5. Step 5: Solve for x
    x = 177,954,784.49/15,288.58
  6. Step 6: Final answer
    x = 11,639.72

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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.