Home / 14,512.50-20,028.06-8,226.90

Finding the Fourth Proportional to 14,512.50, 20,028.06 and 8,226.90

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Solution

The fourth proportional to 14,512.50, 20,028.06 and 8,226.90 is: 11,353.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.50 : 20,028.06 = 8,226.90 : x
  2. Step 2: Convert to fraction form
    14,512.50/20,028.06 = 8,226.90/x
  3. Step 3: Cross multiply
    14,512.50x = 20,028.06 × 8,226.90
  4. Step 4: Simplify right side
    14,512.50x = 164,768,846.81
  5. Step 5: Solve for x
    x = 164,768,846.81/14,512.50
  6. Step 6: Final answer
    x = 11,353.58

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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.