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Finding the Fourth Proportional to 14,752.00, 20,310.74 and 13,745.98

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Solution

The fourth proportional to 14,752.00, 20,310.74 and 13,745.98 is: 18,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.00 : 20,310.74 = 13,745.98 : x
  2. Step 2: Convert to fraction form
    14,752.00/20,310.74 = 13,745.98/x
  3. Step 3: Cross multiply
    14,752.00x = 20,310.74 × 13,745.98
  4. Step 4: Simplify right side
    14,752.00x = 279,190,957.58
  5. Step 5: Solve for x
    x = 279,190,957.58/14,752.00
  6. Step 6: Final answer
    x = 18,925.64

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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.