Home / 14,906.72-20,573.16-8,618.96

Finding the Fourth Proportional to 14,906.72, 20,573.16 and 8,618.96

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Solution

The fourth proportional to 14,906.72, 20,573.16 and 8,618.96 is: 11,895.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,906.72 : 20,573.16 = 8,618.96 : x
  2. Step 2: Convert to fraction form
    14,906.72/20,573.16 = 8,618.96/x
  3. Step 3: Cross multiply
    14,906.72x = 20,573.16 × 8,618.96
  4. Step 4: Simplify right side
    14,906.72x = 177,319,243.11
  5. Step 5: Solve for x
    x = 177,319,243.11/14,906.72
  6. Step 6: Final answer
    x = 11,895.26

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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.