Home / 16,742.88-25,098.35-5,643.84

Finding the Fourth Proportional to 16,742.88, 25,098.35 and 5,643.84

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Solution

The fourth proportional to 16,742.88, 25,098.35 and 5,643.84 is: 8,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.88 : 25,098.35 = 5,643.84 : x
  2. Step 2: Convert to fraction form
    16,742.88/25,098.35 = 5,643.84/x
  3. Step 3: Cross multiply
    16,742.88x = 25,098.35 × 5,643.84
  4. Step 4: Simplify right side
    16,742.88x = 141,651,043.44
  5. Step 5: Solve for x
    x = 141,651,043.44/16,742.88
  6. Step 6: Final answer
    x = 8,460.38

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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.