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Finding the Fourth Proportional to 14,854.56, 20,496.10 and 8,806.71

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Solution

The fourth proportional to 14,854.56, 20,496.10 and 8,806.71 is: 12,151.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.56 : 20,496.10 = 8,806.71 : x
  2. Step 2: Convert to fraction form
    14,854.56/20,496.10 = 8,806.71/x
  3. Step 3: Cross multiply
    14,854.56x = 20,496.10 × 8,806.71
  4. Step 4: Simplify right side
    14,854.56x = 180,503,208.83
  5. Step 5: Solve for x
    x = 180,503,208.83/14,854.56
  6. Step 6: Final answer
    x = 12,151.37

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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.