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Finding the Fourth Proportional to 16,264.42, 22,444.91 and 8,812.42

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Solution

The fourth proportional to 16,264.42, 22,444.91 and 8,812.42 is: 12,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,264.42 : 22,444.91 = 8,812.42 : x
  2. Step 2: Convert to fraction form
    16,264.42/22,444.91 = 8,812.42/x
  3. Step 3: Cross multiply
    16,264.42x = 22,444.91 × 8,812.42
  4. Step 4: Simplify right side
    16,264.42x = 197,793,973.78
  5. Step 5: Solve for x
    x = 197,793,973.78/16,264.42
  6. Step 6: Final answer
    x = 12,161.15

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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.