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Finding the Fourth Proportional to 14,693.60, 22,056.60 and 8,116.40

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Solution

The fourth proportional to 14,693.60, 22,056.60 and 8,116.40 is: 12,183.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,693.60 : 22,056.60 = 8,116.40 : x
  2. Step 2: Convert to fraction form
    14,693.60/22,056.60 = 8,116.40/x
  3. Step 3: Cross multiply
    14,693.60x = 22,056.60 × 8,116.40
  4. Step 4: Simplify right side
    14,693.60x = 179,020,188.24
  5. Step 5: Solve for x
    x = 179,020,188.24/14,693.60
  6. Step 6: Final answer
    x = 12,183.55

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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.