Home / 15,063.24-20,787.26-8,348.88

Finding the Fourth Proportional to 15,063.24, 20,787.26 and 8,348.88

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Solution

The fourth proportional to 15,063.24, 20,787.26 and 8,348.88 is: 11,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,063.24 : 20,787.26 = 8,348.88 : x
  2. Step 2: Convert to fraction form
    15,063.24/20,787.26 = 8,348.88/x
  3. Step 3: Cross multiply
    15,063.24x = 20,787.26 × 8,348.88
  4. Step 4: Simplify right side
    15,063.24x = 173,550,297.52
  5. Step 5: Solve for x
    x = 173,550,297.52/15,063.24
  6. Step 6: Final answer
    x = 11,521.45

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1.5x scale

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.