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Finding the Fourth Proportional to 15,969.54, 22,037.94 and 8,895.95

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Solution

The fourth proportional to 15,969.54, 22,037.94 and 8,895.95 is: 12,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,969.54 : 22,037.94 = 8,895.95 : x
  2. Step 2: Convert to fraction form
    15,969.54/22,037.94 = 8,895.95/x
  3. Step 3: Cross multiply
    15,969.54x = 22,037.94 × 8,895.95
  4. Step 4: Simplify right side
    15,969.54x = 196,048,302.15
  5. Step 5: Solve for x
    x = 196,048,302.15/15,969.54
  6. Step 6: Final answer
    x = 12,276.39

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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.