Home / 14,956.30-20,639.43-8,150.38

Finding the Fourth Proportional to 14,956.30, 20,639.43 and 8,150.38

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Solution

The fourth proportional to 14,956.30, 20,639.43 and 8,150.38 is: 11,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,956.30 : 20,639.43 = 8,150.38 : x
  2. Step 2: Convert to fraction form
    14,956.30/20,639.43 = 8,150.38/x
  3. Step 3: Cross multiply
    14,956.30x = 20,639.43 × 8,150.38
  4. Step 4: Simplify right side
    14,956.30x = 168,219,248.62
  5. Step 5: Solve for x
    x = 168,219,248.62/14,956.30
  6. Step 6: Final answer
    x = 11,247.38

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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.