Home / 14,381.56-21,572.60-3,993.32

Finding the Fourth Proportional to 14,381.56, 21,572.60 and 3,993.32

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Solution

The fourth proportional to 14,381.56, 21,572.60 and 3,993.32 is: 5,990.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.56 : 21,572.60 = 3,993.32 : x
  2. Step 2: Convert to fraction form
    14,381.56/21,572.60 = 3,993.32/x
  3. Step 3: Cross multiply
    14,381.56x = 21,572.60 × 3,993.32
  4. Step 4: Simplify right side
    14,381.56x = 86,146,295.03
  5. Step 5: Solve for x
    x = 86,146,295.03/14,381.56
  6. Step 6: Final answer
    x = 5,990.05

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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.