Home / 14,626.60-20,184.72-7,912.22

Finding the Fourth Proportional to 14,626.60, 20,184.72 and 7,912.22

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Solution

The fourth proportional to 14,626.60, 20,184.72 and 7,912.22 is: 10,918.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.60 : 20,184.72 = 7,912.22 : x
  2. Step 2: Convert to fraction form
    14,626.60/20,184.72 = 7,912.22/x
  3. Step 3: Cross multiply
    14,626.60x = 20,184.72 × 7,912.22
  4. Step 4: Simplify right side
    14,626.60x = 159,705,945.28
  5. Step 5: Solve for x
    x = 159,705,945.28/14,626.60
  6. Step 6: Final answer
    x = 10,918.87

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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.