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Finding the Fourth Proportional to 18,038.53, 24,893.72 and 10,081.09

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Solution

The fourth proportional to 18,038.53, 24,893.72 and 10,081.09 is: 13,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,038.53 : 24,893.72 = 10,081.09 : x
  2. Step 2: Convert to fraction form
    18,038.53/24,893.72 = 10,081.09/x
  3. Step 3: Cross multiply
    18,038.53x = 24,893.72 × 10,081.09
  4. Step 4: Simplify right side
    18,038.53x = 250,955,831.75
  5. Step 5: Solve for x
    x = 250,955,831.75/18,038.53
  6. Step 6: Final answer
    x = 13,912.21

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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.