Home / 19,331.46-26,676.15-11,372.15

Finding the Fourth Proportional to 19,331.46, 26,676.15 and 11,372.15

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Solution

The fourth proportional to 19,331.46, 26,676.15 and 11,372.15 is: 15,692.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,331.46 : 26,676.15 = 11,372.15 : x
  2. Step 2: Convert to fraction form
    19,331.46/26,676.15 = 11,372.15/x
  3. Step 3: Cross multiply
    19,331.46x = 26,676.15 × 11,372.15
  4. Step 4: Simplify right side
    19,331.46x = 303,365,117.18
  5. Step 5: Solve for x
    x = 303,365,117.18/19,331.46
  6. Step 6: Final answer
    x = 15,692.82

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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.