Home / 14,294.55-21,446.16-5,412.60

Finding the Fourth Proportional to 14,294.55, 21,446.16 and 5,412.60

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Solution

The fourth proportional to 14,294.55, 21,446.16 and 5,412.60 is: 8,120.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,294.55 : 21,446.16 = 5,412.60 : x
  2. Step 2: Convert to fraction form
    14,294.55/21,446.16 = 5,412.60/x
  3. Step 3: Cross multiply
    14,294.55x = 21,446.16 × 5,412.60
  4. Step 4: Simplify right side
    14,294.55x = 116,079,485.62
  5. Step 5: Solve for x
    x = 116,079,485.62/14,294.55
  6. Step 6: Final answer
    x = 8,120.54

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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.