Home / 19,828.88-29,733.92-11,511.48

Finding the Fourth Proportional to 19,828.88, 29,733.92 and 11,511.48

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Solution

The fourth proportional to 19,828.88, 29,733.92 and 11,511.48 is: 17,261.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,828.88 : 29,733.92 = 11,511.48 : x
  2. Step 2: Convert to fraction form
    19,828.88/29,733.92 = 11,511.48/x
  3. Step 3: Cross multiply
    19,828.88x = 29,733.92 × 11,511.48
  4. Step 4: Simplify right side
    19,828.88x = 342,281,425.40
  5. Step 5: Solve for x
    x = 342,281,425.40/19,828.88
  6. Step 6: Final answer
    x = 17,261.76

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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.