Home / 15,215.97-22,823.18-5,355.33

Finding the Fourth Proportional to 15,215.97, 22,823.18 and 5,355.33

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Solution

The fourth proportional to 15,215.97, 22,823.18 and 5,355.33 is: 8,032.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,215.97 : 22,823.18 = 5,355.33 : x
  2. Step 2: Convert to fraction form
    15,215.97/22,823.18 = 5,355.33/x
  3. Step 3: Cross multiply
    15,215.97x = 22,823.18 × 5,355.33
  4. Step 4: Simplify right side
    15,215.97x = 122,225,660.55
  5. Step 5: Solve for x
    x = 122,225,660.55/15,215.97
  6. Step 6: Final answer
    x = 8,032.72

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1.5x scale

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.