Home / 19,427.31-29,091.76-12,046.19

Finding the Fourth Proportional to 19,427.31, 29,091.76 and 12,046.19

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Solution

The fourth proportional to 19,427.31, 29,091.76 and 12,046.19 is: 18,038.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,427.31 : 29,091.76 = 12,046.19 : x
  2. Step 2: Convert to fraction form
    19,427.31/29,091.76 = 12,046.19/x
  3. Step 3: Cross multiply
    19,427.31x = 29,091.76 × 12,046.19
  4. Step 4: Simplify right side
    19,427.31x = 350,444,692.82
  5. Step 5: Solve for x
    x = 350,444,692.82/19,427.31
  6. Step 6: Final answer
    x = 18,038.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.