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Finding the Fourth Proportional to 14,994.58, 20,676.98 and 12,877.11

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Solution

The fourth proportional to 14,994.58, 20,676.98 and 12,877.11 is: 17,757.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,994.58 : 20,676.98 = 12,877.11 : x
  2. Step 2: Convert to fraction form
    14,994.58/20,676.98 = 12,877.11/x
  3. Step 3: Cross multiply
    14,994.58x = 20,676.98 × 12,877.11
  4. Step 4: Simplify right side
    14,994.58x = 266,259,883.46
  5. Step 5: Solve for x
    x = 266,259,883.46/14,994.58
  6. Step 6: Final answer
    x = 17,757.07

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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.