Home / 14,640.66-20,196.63-8,896.55

Finding the Fourth Proportional to 14,640.66, 20,196.63 and 8,896.55

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Solution

The fourth proportional to 14,640.66, 20,196.63 and 8,896.55 is: 12,272.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.66 : 20,196.63 = 8,896.55 : x
  2. Step 2: Convert to fraction form
    14,640.66/20,196.63 = 8,896.55/x
  3. Step 3: Cross multiply
    14,640.66x = 20,196.63 × 8,896.55
  4. Step 4: Simplify right side
    14,640.66x = 179,680,227.64
  5. Step 5: Solve for x
    x = 179,680,227.64/14,640.66
  6. Step 6: Final answer
    x = 12,272.69

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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.