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Finding the Fourth Proportional to 14,035.58, 20,950.60 and 12,374.87

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Solution

The fourth proportional to 14,035.58, 20,950.60 and 12,374.87 is: 18,471.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,035.58 : 20,950.60 = 12,374.87 : x
  2. Step 2: Convert to fraction form
    14,035.58/20,950.60 = 12,374.87/x
  3. Step 3: Cross multiply
    14,035.58x = 20,950.60 × 12,374.87
  4. Step 4: Simplify right side
    14,035.58x = 259,260,784.79
  5. Step 5: Solve for x
    x = 259,260,784.79/14,035.58
  6. Step 6: Final answer
    x = 18,471.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.