Home / 13,821.23-19,073.26-7,852.61

Finding the Fourth Proportional to 13,821.23, 19,073.26 and 7,852.61

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Solution

The fourth proportional to 13,821.23, 19,073.26 and 7,852.61 is: 10,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,821.23 : 19,073.26 = 7,852.61 : x
  2. Step 2: Convert to fraction form
    13,821.23/19,073.26 = 7,852.61/x
  3. Step 3: Cross multiply
    13,821.23x = 19,073.26 × 7,852.61
  4. Step 4: Simplify right side
    13,821.23x = 149,774,832.95
  5. Step 5: Solve for x
    x = 149,774,832.95/13,821.23
  6. Step 6: Final answer
    x = 10,836.58

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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.