Home / 19,069.36-28,606.77-7,219.94

Finding the Fourth Proportional to 19,069.36, 28,606.77 and 7,219.94

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Solution

The fourth proportional to 19,069.36, 28,606.77 and 7,219.94 is: 10,830.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.36 : 28,606.77 = 7,219.94 : x
  2. Step 2: Convert to fraction form
    19,069.36/28,606.77 = 7,219.94/x
  3. Step 3: Cross multiply
    19,069.36x = 28,606.77 × 7,219.94
  4. Step 4: Simplify right side
    19,069.36x = 206,539,019.96
  5. Step 5: Solve for x
    x = 206,539,019.96/19,069.36
  6. Step 6: Final answer
    x = 10,830.94

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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.