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Finding the Fourth Proportional to 14,663.20, 21,994.80 and 13,050.40

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Solution

The fourth proportional to 14,663.20, 21,994.80 and 13,050.40 is: 19,575.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.20 : 21,994.80 = 13,050.40 : x
  2. Step 2: Convert to fraction form
    14,663.20/21,994.80 = 13,050.40/x
  3. Step 3: Cross multiply
    14,663.20x = 21,994.80 × 13,050.40
  4. Step 4: Simplify right side
    14,663.20x = 287,040,937.92
  5. Step 5: Solve for x
    x = 287,040,937.92/14,663.20
  6. Step 6: Final answer
    x = 19,575.60

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Similar ratio
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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.