Home / 18,766.98-25,845.84-18,358.74

Finding the Fourth Proportional to 18,766.98, 25,845.84 and 18,358.74

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Solution

The fourth proportional to 18,766.98, 25,845.84 and 18,358.74 is: 25,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,766.98 : 25,845.84 = 18,358.74 : x
  2. Step 2: Convert to fraction form
    18,766.98/25,845.84 = 18,358.74/x
  3. Step 3: Cross multiply
    18,766.98x = 25,845.84 × 18,358.74
  4. Step 4: Simplify right side
    18,766.98x = 474,497,056.64
  5. Step 5: Solve for x
    x = 474,497,056.64/18,766.98
  6. Step 6: Final answer
    x = 25,283.61

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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.