Home / 13,906.23-20,855.01-4,670.07

Finding the Fourth Proportional to 13,906.23, 20,855.01 and 4,670.07

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Solution

The fourth proportional to 13,906.23, 20,855.01 and 4,670.07 is: 7,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,906.23 : 20,855.01 = 4,670.07 : x
  2. Step 2: Convert to fraction form
    13,906.23/20,855.01 = 4,670.07/x
  3. Step 3: Cross multiply
    13,906.23x = 20,855.01 × 4,670.07
  4. Step 4: Simplify right side
    13,906.23x = 97,394,356.55
  5. Step 5: Solve for x
    x = 97,394,356.55/13,906.23
  6. Step 6: Final answer
    x = 7,003.65

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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.