Home / 13,928.25-19,222.01-8,626.10

Finding the Fourth Proportional to 13,928.25, 19,222.01 and 8,626.10

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Solution

The fourth proportional to 13,928.25, 19,222.01 and 8,626.10 is: 11,904.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,928.25 : 19,222.01 = 8,626.10 : x
  2. Step 2: Convert to fraction form
    13,928.25/19,222.01 = 8,626.10/x
  3. Step 3: Cross multiply
    13,928.25x = 19,222.01 × 8,626.10
  4. Step 4: Simplify right side
    13,928.25x = 165,810,873.57
  5. Step 5: Solve for x
    x = 165,810,873.57/13,928.25
  6. Step 6: Final answer
    x = 11,904.64

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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.