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Finding the Fourth Proportional to 14,964.59, 20,660.00 and 13,304.00

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Solution

The fourth proportional to 14,964.59, 20,660.00 and 13,304.00 is: 18,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,964.59 : 20,660.00 = 13,304.00 : x
  2. Step 2: Convert to fraction form
    14,964.59/20,660.00 = 13,304.00/x
  3. Step 3: Cross multiply
    14,964.59x = 20,660.00 × 13,304.00
  4. Step 4: Simplify right side
    14,964.59x = 274,860,625.13
  5. Step 5: Solve for x
    x = 274,860,625.13/14,964.59
  6. Step 6: Final answer
    x = 18,367.40

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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.