Home / 14,855.47-20,497.22-8,480.02

Finding the Fourth Proportional to 14,855.47, 20,497.22 and 8,480.02

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Solution

The fourth proportional to 14,855.47, 20,497.22 and 8,480.02 is: 11,700.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,855.47 : 20,497.22 = 8,480.02 : x
  2. Step 2: Convert to fraction form
    14,855.47/20,497.22 = 8,480.02/x
  3. Step 3: Cross multiply
    14,855.47x = 20,497.22 × 8,480.02
  4. Step 4: Simplify right side
    14,855.47x = 173,816,793.14
  5. Step 5: Solve for x
    x = 173,816,793.14/14,855.47
  6. Step 6: Final answer
    x = 11,700.53

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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.