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Finding the Fourth Proportional to 14,846.19, 20,487.14 and 8,881.16

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Solution

The fourth proportional to 14,846.19, 20,487.14 and 8,881.16 is: 12,255.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,846.19 : 20,487.14 = 8,881.16 : x
  2. Step 2: Convert to fraction form
    14,846.19/20,487.14 = 8,881.16/x
  3. Step 3: Cross multiply
    14,846.19x = 20,487.14 × 8,881.16
  4. Step 4: Simplify right side
    14,846.19x = 181,949,465.85
  5. Step 5: Solve for x
    x = 181,949,465.85/14,846.19
  6. Step 6: Final answer
    x = 12,255.63

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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.