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Finding the Fourth Proportional to 14,899.70, 20,555.07 and 9,232.94

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Solution

The fourth proportional to 14,899.70, 20,555.07 and 9,232.94 is: 12,737.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.70 : 20,555.07 = 9,232.94 : x
  2. Step 2: Convert to fraction form
    14,899.70/20,555.07 = 9,232.94/x
  3. Step 3: Cross multiply
    14,899.70x = 20,555.07 × 9,232.94
  4. Step 4: Simplify right side
    14,899.70x = 189,783,728.01
  5. Step 5: Solve for x
    x = 189,783,728.01/14,899.70
  6. Step 6: Final answer
    x = 12,737.42

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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.