Home / 14,639.05-20,195.24-9,330.56

Finding the Fourth Proportional to 14,639.05, 20,195.24 and 9,330.56

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Solution

The fourth proportional to 14,639.05, 20,195.24 and 9,330.56 is: 12,871.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.05 : 20,195.24 = 9,330.56 : x
  2. Step 2: Convert to fraction form
    14,639.05/20,195.24 = 9,330.56/x
  3. Step 3: Cross multiply
    14,639.05x = 20,195.24 × 9,330.56
  4. Step 4: Simplify right side
    14,639.05x = 188,432,992.72
  5. Step 5: Solve for x
    x = 188,432,992.72/14,639.05
  6. Step 6: Final answer
    x = 12,871.94

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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.