Home / 18,165.28-25,010.64-16,504.32

Finding the Fourth Proportional to 18,165.28, 25,010.64 and 16,504.32

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Solution

The fourth proportional to 18,165.28, 25,010.64 and 16,504.32 is: 22,723.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,165.28 : 25,010.64 = 16,504.32 : x
  2. Step 2: Convert to fraction form
    18,165.28/25,010.64 = 16,504.32/x
  3. Step 3: Cross multiply
    18,165.28x = 25,010.64 × 16,504.32
  4. Step 4: Simplify right side
    18,165.28x = 412,783,605.96
  5. Step 5: Solve for x
    x = 412,783,605.96/18,165.28
  6. Step 6: Final answer
    x = 22,723.77

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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.