Home / 18,579.56-25,620.26-14,331.32

Finding the Fourth Proportional to 18,579.56, 25,620.26 and 14,331.32

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Solution

The fourth proportional to 18,579.56, 25,620.26 and 14,331.32 is: 19,762.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.56 : 25,620.26 = 14,331.32 : x
  2. Step 2: Convert to fraction form
    18,579.56/25,620.26 = 14,331.32/x
  3. Step 3: Cross multiply
    18,579.56x = 25,620.26 × 14,331.32
  4. Step 4: Simplify right side
    18,579.56x = 367,171,944.79
  5. Step 5: Solve for x
    x = 367,171,944.79/18,579.56
  6. Step 6: Final answer
    x = 19,762.14

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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.