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Finding the Fourth Proportional to 18,019.89, 24,863.63 and 10,462.59

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Solution

The fourth proportional to 18,019.89, 24,863.63 and 10,462.59 is: 14,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.89 : 24,863.63 = 10,462.59 : x
  2. Step 2: Convert to fraction form
    18,019.89/24,863.63 = 10,462.59/x
  3. Step 3: Cross multiply
    18,019.89x = 24,863.63 × 10,462.59
  4. Step 4: Simplify right side
    18,019.89x = 260,137,914.29
  5. Step 5: Solve for x
    x = 260,137,914.29/18,019.89
  6. Step 6: Final answer
    x = 14,436.15

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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.