Home / 14,890.62-22,338.82-7,972.86

Finding the Fourth Proportional to 14,890.62, 22,338.82 and 7,972.86

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Solution

The fourth proportional to 14,890.62, 22,338.82 and 7,972.86 is: 11,960.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890.62 : 22,338.82 = 7,972.86 : x
  2. Step 2: Convert to fraction form
    14,890.62/22,338.82 = 7,972.86/x
  3. Step 3: Cross multiply
    14,890.62x = 22,338.82 × 7,972.86
  4. Step 4: Simplify right side
    14,890.62x = 178,104,284.43
  5. Step 5: Solve for x
    x = 178,104,284.43/14,890.62
  6. Step 6: Final answer
    x = 11,960.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.