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Finding the Fourth Proportional to 14,418.54, 19,897.70 and 8,044.92

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Solution

The fourth proportional to 14,418.54, 19,897.70 and 8,044.92 is: 11,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.54 : 19,897.70 = 8,044.92 : x
  2. Step 2: Convert to fraction form
    14,418.54/19,897.70 = 8,044.92/x
  3. Step 3: Cross multiply
    14,418.54x = 19,897.70 × 8,044.92
  4. Step 4: Simplify right side
    14,418.54x = 160,075,404.68
  5. Step 5: Solve for x
    x = 160,075,404.68/14,418.54
  6. Step 6: Final answer
    x = 11,102.05

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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.