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Finding the Fourth Proportional to 14,808.61, 20,436.43 and 8,094.69

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Solution

The fourth proportional to 14,808.61, 20,436.43 and 8,094.69 is: 11,170.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,808.61 : 20,436.43 = 8,094.69 : x
  2. Step 2: Convert to fraction form
    14,808.61/20,436.43 = 8,094.69/x
  3. Step 3: Cross multiply
    14,808.61x = 20,436.43 × 8,094.69
  4. Step 4: Simplify right side
    14,808.61x = 165,426,565.56
  5. Step 5: Solve for x
    x = 165,426,565.56/14,808.61
  6. Step 6: Final answer
    x = 11,170.97

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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.