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Finding the Fourth Proportional to 14,807.77, 20,434.11 and 8,093.63

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Solution

The fourth proportional to 14,807.77, 20,434.11 and 8,093.63 is: 11,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,807.77 : 20,434.11 = 8,093.63 : x
  2. Step 2: Convert to fraction form
    14,807.77/20,434.11 = 8,093.63/x
  3. Step 3: Cross multiply
    14,807.77x = 20,434.11 × 8,093.63
  4. Step 4: Simplify right side
    14,807.77x = 165,385,983.08
  5. Step 5: Solve for x
    x = 165,385,983.08/14,807.77
  6. Step 6: Final answer
    x = 11,168.87

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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.