Home / 14,974.32-20,665.50-8,602.89

Finding the Fourth Proportional to 14,974.32, 20,665.50 and 8,602.89

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Solution

The fourth proportional to 14,974.32, 20,665.50 and 8,602.89 is: 11,872.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,974.32 : 20,665.50 = 8,602.89 : x
  2. Step 2: Convert to fraction form
    14,974.32/20,665.50 = 8,602.89/x
  3. Step 3: Cross multiply
    14,974.32x = 20,665.50 × 8,602.89
  4. Step 4: Simplify right side
    14,974.32x = 177,783,023.30
  5. Step 5: Solve for x
    x = 177,783,023.30/14,974.32
  6. Step 6: Final answer
    x = 11,872.53

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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.