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Finding the Fourth Proportional to 14,854.11, 20,498.08 and 8,889.07

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Solution

The fourth proportional to 14,854.11, 20,498.08 and 8,889.07 is: 12,266.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.11 : 20,498.08 = 8,889.07 : x
  2. Step 2: Convert to fraction form
    14,854.11/20,498.08 = 8,889.07/x
  3. Step 3: Cross multiply
    14,854.11x = 20,498.08 × 8,889.07
  4. Step 4: Simplify right side
    14,854.11x = 182,208,823.54
  5. Step 5: Solve for x
    x = 182,208,823.54/14,854.11
  6. Step 6: Final answer
    x = 12,266.56

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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.