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Finding the Fourth Proportional to 14,690.16, 22,078.98 and 13,603.95

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Solution

The fourth proportional to 14,690.16, 22,078.98 and 13,603.95 is: 20,446.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.16 : 22,078.98 = 13,603.95 : x
  2. Step 2: Convert to fraction form
    14,690.16/22,078.98 = 13,603.95/x
  3. Step 3: Cross multiply
    14,690.16x = 22,078.98 × 13,603.95
  4. Step 4: Simplify right side
    14,690.16x = 300,361,339.97
  5. Step 5: Solve for x
    x = 300,361,339.97/14,690.16
  6. Step 6: Final answer
    x = 20,446.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.