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Finding the Fourth Proportional to 14,950.70, 20,624.04 and 8,896.64

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Solution

The fourth proportional to 14,950.70, 20,624.04 and 8,896.64 is: 12,272.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,950.70 : 20,624.04 = 8,896.64 : x
  2. Step 2: Convert to fraction form
    14,950.70/20,624.04 = 8,896.64/x
  3. Step 3: Cross multiply
    14,950.70x = 20,624.04 × 8,896.64
  4. Step 4: Simplify right side
    14,950.70x = 183,484,556.11
  5. Step 5: Solve for x
    x = 183,484,556.11/14,950.70
  6. Step 6: Final answer
    x = 12,272.64

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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.