Home / 19,043.63-28,578.41-11,451.50

Finding the Fourth Proportional to 19,043.63, 28,578.41 and 11,451.50

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Solution

The fourth proportional to 19,043.63, 28,578.41 and 11,451.50 is: 17,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.63 : 28,578.41 = 11,451.50 : x
  2. Step 2: Convert to fraction form
    19,043.63/28,578.41 = 11,451.50/x
  3. Step 3: Cross multiply
    19,043.63x = 28,578.41 × 11,451.50
  4. Step 4: Simplify right side
    19,043.63x = 327,265,461.97
  5. Step 5: Solve for x
    x = 327,265,461.97/19,043.63
  6. Step 6: Final answer
    x = 17,185.04

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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.