Home / 19,190.10-26,475.31-11,630.98

Finding the Fourth Proportional to 19,190.10, 26,475.31 and 11,630.98

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Solution

The fourth proportional to 19,190.10, 26,475.31 and 11,630.98 is: 16,046.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,190.10 : 26,475.31 = 11,630.98 : x
  2. Step 2: Convert to fraction form
    19,190.10/26,475.31 = 11,630.98/x
  3. Step 3: Cross multiply
    19,190.10x = 26,475.31 × 11,630.98
  4. Step 4: Simplify right side
    19,190.10x = 307,933,801.10
  5. Step 5: Solve for x
    x = 307,933,801.10/19,190.10
  6. Step 6: Final answer
    x = 16,046.49

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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.