Home / 15,192.44-20,960.66-8,476.98

Finding the Fourth Proportional to 15,192.44, 20,960.66 and 8,476.98

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Solution

The fourth proportional to 15,192.44, 20,960.66 and 8,476.98 is: 11,695.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,192.44 : 20,960.66 = 8,476.98 : x
  2. Step 2: Convert to fraction form
    15,192.44/20,960.66 = 8,476.98/x
  3. Step 3: Cross multiply
    15,192.44x = 20,960.66 × 8,476.98
  4. Step 4: Simplify right side
    15,192.44x = 177,683,095.61
  5. Step 5: Solve for x
    x = 177,683,095.61/15,192.44
  6. Step 6: Final answer
    x = 11,695.49

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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.