Home / 18,739.75-25,858.36-12,034.46

Finding the Fourth Proportional to 18,739.75, 25,858.36 and 12,034.46

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Solution

The fourth proportional to 18,739.75, 25,858.36 and 12,034.46 is: 16,605.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.75 : 25,858.36 = 12,034.46 : x
  2. Step 2: Convert to fraction form
    18,739.75/25,858.36 = 12,034.46/x
  3. Step 3: Cross multiply
    18,739.75x = 25,858.36 × 12,034.46
  4. Step 4: Simplify right side
    18,739.75x = 311,191,408.84
  5. Step 5: Solve for x
    x = 311,191,408.84/18,739.75
  6. Step 6: Final answer
    x = 16,605.95

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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.