Home / 17,939.01-26,895.12-12,376.49

Finding the Fourth Proportional to 17,939.01, 26,895.12 and 12,376.49

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Solution

The fourth proportional to 17,939.01, 26,895.12 and 12,376.49 is: 18,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.01 : 26,895.12 = 12,376.49 : x
  2. Step 2: Convert to fraction form
    17,939.01/26,895.12 = 12,376.49/x
  3. Step 3: Cross multiply
    17,939.01x = 26,895.12 × 12,376.49
  4. Step 4: Simplify right side
    17,939.01x = 332,867,002.84
  5. Step 5: Solve for x
    x = 332,867,002.84/17,939.01
  6. Step 6: Final answer
    x = 18,555.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.