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Finding the Fourth Proportional to 14,951.85, 22,420.43 and 8,539.68

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Solution

The fourth proportional to 14,951.85, 22,420.43 and 8,539.68 is: 12,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,951.85 : 22,420.43 = 8,539.68 : x
  2. Step 2: Convert to fraction form
    14,951.85/22,420.43 = 8,539.68/x
  3. Step 3: Cross multiply
    14,951.85x = 22,420.43 × 8,539.68
  4. Step 4: Simplify right side
    14,951.85x = 191,463,297.66
  5. Step 5: Solve for x
    x = 191,463,297.66/14,951.85
  6. Step 6: Final answer
    x = 12,805.32

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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.