Home / 19,215.88-28,822.74-6,736.48

Finding the Fourth Proportional to 19,215.88, 28,822.74 and 6,736.48

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Solution

The fourth proportional to 19,215.88, 28,822.74 and 6,736.48 is: 10,104.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.88 : 28,822.74 = 6,736.48 : x
  2. Step 2: Convert to fraction form
    19,215.88/28,822.74 = 6,736.48/x
  3. Step 3: Cross multiply
    19,215.88x = 28,822.74 × 6,736.48
  4. Step 4: Simplify right side
    19,215.88x = 194,163,811.56
  5. Step 5: Solve for x
    x = 194,163,811.56/19,215.88
  6. Step 6: Final answer
    x = 10,104.34

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1.5x scale

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.