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Finding the Fourth Proportional to 18,093.78, 24,943.95 and 14,895.90

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Solution

The fourth proportional to 18,093.78, 24,943.95 and 14,895.90 is: 20,535.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.78 : 24,943.95 = 14,895.90 : x
  2. Step 2: Convert to fraction form
    18,093.78/24,943.95 = 14,895.90/x
  3. Step 3: Cross multiply
    18,093.78x = 24,943.95 × 14,895.90
  4. Step 4: Simplify right side
    18,093.78x = 371,562,584.81
  5. Step 5: Solve for x
    x = 371,562,584.81/18,093.78
  6. Step 6: Final answer
    x = 20,535.38

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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.