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Finding the Fourth Proportional to 18,801.59, 25,886.99 and 14,310.95

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Solution

The fourth proportional to 18,801.59, 25,886.99 and 14,310.95 is: 19,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,801.59 : 25,886.99 = 14,310.95 : x
  2. Step 2: Convert to fraction form
    18,801.59/25,886.99 = 14,310.95/x
  3. Step 3: Cross multiply
    18,801.59x = 25,886.99 × 14,310.95
  4. Step 4: Simplify right side
    18,801.59x = 370,467,325.88
  5. Step 5: Solve for x
    x = 370,467,325.88/18,801.59
  6. Step 6: Final answer
    x = 19,704.05

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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.