Home / 19,391.70-26,763.45-11,842.41

Finding the Fourth Proportional to 19,391.70, 26,763.45 and 11,842.41

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Solution

The fourth proportional to 19,391.70, 26,763.45 and 11,842.41 is: 16,344.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.70 : 26,763.45 = 11,842.41 : x
  2. Step 2: Convert to fraction form
    19,391.70/26,763.45 = 11,842.41/x
  3. Step 3: Cross multiply
    19,391.70x = 26,763.45 × 11,842.41
  4. Step 4: Simplify right side
    19,391.70x = 316,943,747.91
  5. Step 5: Solve for x
    x = 316,943,747.91/19,391.70
  6. Step 6: Final answer
    x = 16,344.30

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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.