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Finding the Fourth Proportional to 14,205.63, 19,601.48 and 8,236.14

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Solution

The fourth proportional to 14,205.63, 19,601.48 and 8,236.14 is: 11,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,205.63 : 19,601.48 = 8,236.14 : x
  2. Step 2: Convert to fraction form
    14,205.63/19,601.48 = 8,236.14/x
  3. Step 3: Cross multiply
    14,205.63x = 19,601.48 × 8,236.14
  4. Step 4: Simplify right side
    14,205.63x = 161,440,492.31
  5. Step 5: Solve for x
    x = 161,440,492.31/14,205.63
  6. Step 6: Final answer
    x = 11,364.54

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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.