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Finding the Fourth Proportional to 18,773.34, 25,916.55 and 10,814.04

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Solution

The fourth proportional to 18,773.34, 25,916.55 and 10,814.04 is: 14,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,773.34 : 25,916.55 = 10,814.04 : x
  2. Step 2: Convert to fraction form
    18,773.34/25,916.55 = 10,814.04/x
  3. Step 3: Cross multiply
    18,773.34x = 25,916.55 × 10,814.04
  4. Step 4: Simplify right side
    18,773.34x = 280,262,608.36
  5. Step 5: Solve for x
    x = 280,262,608.36/18,773.34
  6. Step 6: Final answer
    x = 14,928.76

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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.