Home / 18,446.37-25,452.12-10,890.28

Finding the Fourth Proportional to 18,446.37, 25,452.12 and 10,890.28

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Solution

The fourth proportional to 18,446.37, 25,452.12 and 10,890.28 is: 15,026.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.37 : 25,452.12 = 10,890.28 : x
  2. Step 2: Convert to fraction form
    18,446.37/25,452.12 = 10,890.28/x
  3. Step 3: Cross multiply
    18,446.37x = 25,452.12 × 10,890.28
  4. Step 4: Simplify right side
    18,446.37x = 277,180,713.39
  5. Step 5: Solve for x
    x = 277,180,713.39/18,446.37
  6. Step 6: Final answer
    x = 15,026.30

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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.