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Finding the Fourth Proportional to 14,433.26, 19,916.60 and 8,059.31

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Solution

The fourth proportional to 14,433.26, 19,916.60 and 8,059.31 is: 11,121.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,433.26 : 19,916.60 = 8,059.31 : x
  2. Step 2: Convert to fraction form
    14,433.26/19,916.60 = 8,059.31/x
  3. Step 3: Cross multiply
    14,433.26x = 19,916.60 × 8,059.31
  4. Step 4: Simplify right side
    14,433.26x = 160,513,953.96
  5. Step 5: Solve for x
    x = 160,513,953.96/14,433.26
  6. Step 6: Final answer
    x = 11,121.12

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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.