Home / 19,852.64-29,790.63-7,381.43

Finding the Fourth Proportional to 19,852.64, 29,790.63 and 7,381.43

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Solution

The fourth proportional to 19,852.64, 29,790.63 and 7,381.43 is: 11,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,852.64 : 29,790.63 = 7,381.43 : x
  2. Step 2: Convert to fraction form
    19,852.64/29,790.63 = 7,381.43/x
  3. Step 3: Cross multiply
    19,852.64x = 29,790.63 × 7,381.43
  4. Step 4: Simplify right side
    19,852.64x = 219,897,450.00
  5. Step 5: Solve for x
    x = 219,897,450.00/19,852.64
  6. Step 6: Final answer
    x = 11,076.48

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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.