Home / 13,928.44-19,222.32-8,626.36

Finding the Fourth Proportional to 13,928.44, 19,222.32 and 8,626.36

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Solution

The fourth proportional to 13,928.44, 19,222.32 and 8,626.36 is: 11,905.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.44 : 19,222.32 = 8,626.36 : x
  2. Step 2: Convert to fraction form
    13,928.44/19,222.32 = 8,626.36/x
  3. Step 3: Cross multiply
    13,928.44x = 19,222.32 × 8,626.36
  4. Step 4: Simplify right side
    13,928.44x = 165,818,652.36
  5. Step 5: Solve for x
    x = 165,818,652.36/13,928.44
  6. Step 6: Final answer
    x = 11,905.04

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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.