Home / 14,631.93-20,192.30-8,258.85

Finding the Fourth Proportional to 14,631.93, 20,192.30 and 8,258.85

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Solution

The fourth proportional to 14,631.93, 20,192.30 and 8,258.85 is: 11,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,631.93 : 20,192.30 = 8,258.85 : x
  2. Step 2: Convert to fraction form
    14,631.93/20,192.30 = 8,258.85/x
  3. Step 3: Cross multiply
    14,631.93x = 20,192.30 × 8,258.85
  4. Step 4: Simplify right side
    14,631.93x = 166,765,135.56
  5. Step 5: Solve for x
    x = 166,765,135.56/14,631.93
  6. Step 6: Final answer
    x = 11,397.34

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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.