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Finding the Fourth Proportional to 14,402.98, 19,885.14 and 11,039.44

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Solution

The fourth proportional to 14,402.98, 19,885.14 and 11,039.44 is: 15,241.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,402.98 : 19,885.14 = 11,039.44 : x
  2. Step 2: Convert to fraction form
    14,402.98/19,885.14 = 11,039.44/x
  3. Step 3: Cross multiply
    14,402.98x = 19,885.14 × 11,039.44
  4. Step 4: Simplify right side
    14,402.98x = 219,520,809.92
  5. Step 5: Solve for x
    x = 219,520,809.92/14,402.98
  6. Step 6: Final answer
    x = 15,241.35

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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.