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Finding the Fourth Proportional to 18,849.06, 26,000.19 and 13,551.06

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Solution

The fourth proportional to 18,849.06, 26,000.19 and 13,551.06 is: 18,692.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,849.06 : 26,000.19 = 13,551.06 : x
  2. Step 2: Convert to fraction form
    18,849.06/26,000.19 = 13,551.06/x
  3. Step 3: Cross multiply
    18,849.06x = 26,000.19 × 13,551.06
  4. Step 4: Simplify right side
    18,849.06x = 352,330,134.70
  5. Step 5: Solve for x
    x = 352,330,134.70/18,849.06
  6. Step 6: Final answer
    x = 18,692.19

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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.