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Finding the Fourth Proportional to 14,695.70, 22,021.92 and 8,685.59

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Solution

The fourth proportional to 14,695.70, 22,021.92 and 8,685.59 is: 13,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,695.70 : 22,021.92 = 8,685.59 : x
  2. Step 2: Convert to fraction form
    14,695.70/22,021.92 = 8,685.59/x
  3. Step 3: Cross multiply
    14,695.70x = 22,021.92 × 8,685.59
  4. Step 4: Simplify right side
    14,695.70x = 191,273,258.02
  5. Step 5: Solve for x
    x = 191,273,258.02/14,695.70
  6. Step 6: Final answer
    x = 13,015.60

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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.