Home / 19,682.88-27,184.32-15,260.04

Finding the Fourth Proportional to 19,682.88, 27,184.32 and 15,260.04

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Solution

The fourth proportional to 19,682.88, 27,184.32 and 15,260.04 is: 21,075.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,682.88 : 27,184.32 = 15,260.04 : x
  2. Step 2: Convert to fraction form
    19,682.88/27,184.32 = 15,260.04/x
  3. Step 3: Cross multiply
    19,682.88x = 27,184.32 × 15,260.04
  4. Step 4: Simplify right side
    19,682.88x = 414,833,810.57
  5. Step 5: Solve for x
    x = 414,833,810.57/19,682.88
  6. Step 6: Final answer
    x = 21,075.87

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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.