Home / 19,866.54-29,790.18-11,548.96

Finding the Fourth Proportional to 19,866.54, 29,790.18 and 11,548.96

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Solution

The fourth proportional to 19,866.54, 29,790.18 and 11,548.96 is: 17,317.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.54 : 29,790.18 = 11,548.96 : x
  2. Step 2: Convert to fraction form
    19,866.54/29,790.18 = 11,548.96/x
  3. Step 3: Cross multiply
    19,866.54x = 29,790.18 × 11,548.96
  4. Step 4: Simplify right side
    19,866.54x = 344,045,597.21
  5. Step 5: Solve for x
    x = 344,045,597.21/19,866.54
  6. Step 6: Final answer
    x = 17,317.84

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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.