Home / 18,847.17-26,005.76-12,471.44

Finding the Fourth Proportional to 18,847.17, 26,005.76 and 12,471.44

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Solution

The fourth proportional to 18,847.17, 26,005.76 and 12,471.44 is: 17,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,847.17 : 26,005.76 = 12,471.44 : x
  2. Step 2: Convert to fraction form
    18,847.17/26,005.76 = 12,471.44/x
  3. Step 3: Cross multiply
    18,847.17x = 26,005.76 × 12,471.44
  4. Step 4: Simplify right side
    18,847.17x = 324,329,245.60
  5. Step 5: Solve for x
    x = 324,329,245.60/18,847.17
  6. Step 6: Final answer
    x = 17,208.38

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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.