Home / 19,269.75-28,904.85-7,574.77

Finding the Fourth Proportional to 19,269.75, 28,904.85 and 7,574.77

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Solution

The fourth proportional to 19,269.75, 28,904.85 and 7,574.77 is: 11,362.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,269.75 : 28,904.85 = 7,574.77 : x
  2. Step 2: Convert to fraction form
    19,269.75/28,904.85 = 7,574.77/x
  3. Step 3: Cross multiply
    19,269.75x = 28,904.85 × 7,574.77
  4. Step 4: Simplify right side
    19,269.75x = 218,947,464.18
  5. Step 5: Solve for x
    x = 218,947,464.18/19,269.75
  6. Step 6: Final answer
    x = 11,362.24

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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.