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Finding the Fourth Proportional to 18,015.69, 24,854.50 and 12,037.89

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Solution

The fourth proportional to 18,015.69, 24,854.50 and 12,037.89 is: 16,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.69 : 24,854.50 = 12,037.89 : x
  2. Step 2: Convert to fraction form
    18,015.69/24,854.50 = 12,037.89/x
  3. Step 3: Cross multiply
    18,015.69x = 24,854.50 × 12,037.89
  4. Step 4: Simplify right side
    18,015.69x = 299,195,676.82
  5. Step 5: Solve for x
    x = 299,195,676.82/18,015.69
  6. Step 6: Final answer
    x = 16,607.51

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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.