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Finding the Fourth Proportional to 14,471.58, 19,953.27 and 12,229.50

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Solution

The fourth proportional to 14,471.58, 19,953.27 and 12,229.50 is: 16,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.58 : 19,953.27 = 12,229.50 : x
  2. Step 2: Convert to fraction form
    14,471.58/19,953.27 = 12,229.50/x
  3. Step 3: Cross multiply
    14,471.58x = 19,953.27 × 12,229.50
  4. Step 4: Simplify right side
    14,471.58x = 244,018,515.47
  5. Step 5: Solve for x
    x = 244,018,515.47/14,471.58
  6. Step 6: Final answer
    x = 16,861.91

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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.