Home / 18,628.64-25,674.60-16,456.24

Finding the Fourth Proportional to 18,628.64, 25,674.60 and 16,456.24

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Solution

The fourth proportional to 18,628.64, 25,674.60 and 16,456.24 is: 22,680.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628.64 : 25,674.60 = 16,456.24 : x
  2. Step 2: Convert to fraction form
    18,628.64/25,674.60 = 16,456.24/x
  3. Step 3: Cross multiply
    18,628.64x = 25,674.60 × 16,456.24
  4. Step 4: Simplify right side
    18,628.64x = 422,507,379.50
  5. Step 5: Solve for x
    x = 422,507,379.50/18,628.64
  6. Step 6: Final answer
    x = 22,680.53

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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.