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Finding the Fourth Proportional to 14,151.15, 21,203.49 and 8,606.10

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Solution

The fourth proportional to 14,151.15, 21,203.49 and 8,606.10 is: 12,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,151.15 : 21,203.49 = 8,606.10 : x
  2. Step 2: Convert to fraction form
    14,151.15/21,203.49 = 8,606.10/x
  3. Step 3: Cross multiply
    14,151.15x = 21,203.49 × 8,606.10
  4. Step 4: Simplify right side
    14,151.15x = 182,479,355.29
  5. Step 5: Solve for x
    x = 182,479,355.29/14,151.15
  6. Step 6: Final answer
    x = 12,895.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.