Home / 19,334.40-28,801.92-18,873.60

Finding the Fourth Proportional to 19,334.40, 28,801.92 and 18,873.60

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Solution

The fourth proportional to 19,334.40, 28,801.92 and 18,873.60 is: 28,115.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,334.40 : 28,801.92 = 18,873.60 : x
  2. Step 2: Convert to fraction form
    19,334.40/28,801.92 = 18,873.60/x
  3. Step 3: Cross multiply
    19,334.40x = 28,801.92 × 18,873.60
  4. Step 4: Simplify right side
    19,334.40x = 543,595,917.31
  5. Step 5: Solve for x
    x = 543,595,917.31/19,334.40
  6. Step 6: Final answer
    x = 28,115.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.