Home / 19,115.87-28,673.80-5,969.36

Finding the Fourth Proportional to 19,115.87, 28,673.80 and 5,969.36

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Solution

The fourth proportional to 19,115.87, 28,673.80 and 5,969.36 is: 8,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.87 : 28,673.80 = 5,969.36 : x
  2. Step 2: Convert to fraction form
    19,115.87/28,673.80 = 5,969.36/x
  3. Step 3: Cross multiply
    19,115.87x = 28,673.80 × 5,969.36
  4. Step 4: Simplify right side
    19,115.87x = 171,164,204.92
  5. Step 5: Solve for x
    x = 171,164,204.92/19,115.87
  6. Step 6: Final answer
    x = 8,954.04

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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.