Home / 19,112.92-28,674.32-7,266.92

Finding the Fourth Proportional to 19,112.92, 28,674.32 and 7,266.92

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Solution

The fourth proportional to 19,112.92, 28,674.32 and 7,266.92 is: 10,902.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,112.92 : 28,674.32 = 7,266.92 : x
  2. Step 2: Convert to fraction form
    19,112.92/28,674.32 = 7,266.92/x
  3. Step 3: Cross multiply
    19,112.92x = 28,674.32 × 7,266.92
  4. Step 4: Simplify right side
    19,112.92x = 208,373,989.49
  5. Step 5: Solve for x
    x = 208,373,989.49/19,112.92
  6. Step 6: Final answer
    x = 10,902.26

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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.