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Finding the Fourth Proportional to 18,794.46, 25,877.16 and 14,303.82

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Solution

The fourth proportional to 18,794.46, 25,877.16 and 14,303.82 is: 19,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,794.46 : 25,877.16 = 14,303.82 : x
  2. Step 2: Convert to fraction form
    18,794.46/25,877.16 = 14,303.82/x
  3. Step 3: Cross multiply
    18,794.46x = 25,877.16 × 14,303.82
  4. Step 4: Simplify right side
    18,794.46x = 370,142,238.75
  5. Step 5: Solve for x
    x = 370,142,238.75/18,794.46
  6. Step 6: Final answer
    x = 19,694.22

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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.