Home / 19,291.22-26,610.81-11,331.98

Finding the Fourth Proportional to 19,291.22, 26,610.81 and 11,331.98

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Solution

The fourth proportional to 19,291.22, 26,610.81 and 11,331.98 is: 15,631.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.22 : 26,610.81 = 11,331.98 : x
  2. Step 2: Convert to fraction form
    19,291.22/26,610.81 = 11,331.98/x
  3. Step 3: Cross multiply
    19,291.22x = 26,610.81 × 11,331.98
  4. Step 4: Simplify right side
    19,291.22x = 301,553,166.70
  5. Step 5: Solve for x
    x = 301,553,166.70/19,291.22
  6. Step 6: Final answer
    x = 15,631.63

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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.