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Finding the Fourth Proportional to 15,969.26, 22,038.26 and 8,895.68

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Solution

The fourth proportional to 15,969.26, 22,038.26 and 8,895.68 is: 12,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.26 : 22,038.26 = 8,895.68 : x
  2. Step 2: Convert to fraction form
    15,969.26/22,038.26 = 8,895.68/x
  3. Step 3: Cross multiply
    15,969.26x = 22,038.26 × 8,895.68
  4. Step 4: Simplify right side
    15,969.26x = 196,045,308.72
  5. Step 5: Solve for x
    x = 196,045,308.72/15,969.26
  6. Step 6: Final answer
    x = 12,276.42

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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.