Home / 12,415.96-18,622.11-5,020.25

Finding the Fourth Proportional to 12,415.96, 18,622.11 and 5,020.25

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Solution

The fourth proportional to 12,415.96, 18,622.11 and 5,020.25 is: 7,529.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415.96 : 18,622.11 = 5,020.25 : x
  2. Step 2: Convert to fraction form
    12,415.96/18,622.11 = 5,020.25/x
  3. Step 3: Cross multiply
    12,415.96x = 18,622.11 × 5,020.25
  4. Step 4: Simplify right side
    12,415.96x = 93,487,647.73
  5. Step 5: Solve for x
    x = 93,487,647.73/12,415.96
  6. Step 6: Final answer
    x = 7,529.64

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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.