Home / 19,299.16-28,947.62-7,450.62

Finding the Fourth Proportional to 19,299.16, 28,947.62 and 7,450.62

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Solution

The fourth proportional to 19,299.16, 28,947.62 and 7,450.62 is: 11,175.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.16 : 28,947.62 = 7,450.62 : x
  2. Step 2: Convert to fraction form
    19,299.16/28,947.62 = 7,450.62/x
  3. Step 3: Cross multiply
    19,299.16x = 28,947.62 × 7,450.62
  4. Step 4: Simplify right side
    19,299.16x = 215,677,716.52
  5. Step 5: Solve for x
    x = 215,677,716.52/19,299.16
  6. Step 6: Final answer
    x = 11,175.50

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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.