Home / 19,331.31-26,676.63-11,373.99

Finding the Fourth Proportional to 19,331.31, 26,676.63 and 11,373.99

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Solution

The fourth proportional to 19,331.31, 26,676.63 and 11,373.99 is: 15,695.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.31 : 26,676.63 = 11,373.99 : x
  2. Step 2: Convert to fraction form
    19,331.31/26,676.63 = 11,373.99/x
  3. Step 3: Cross multiply
    19,331.31x = 26,676.63 × 11,373.99
  4. Step 4: Simplify right side
    19,331.31x = 303,419,722.85
  5. Step 5: Solve for x
    x = 303,419,722.85/19,331.31
  6. Step 6: Final answer
    x = 15,695.77

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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.