Home / 28,219.26-42,348.36-9,751.26

Finding the Fourth Proportional to 28,219.26, 42,348.36 and 9,751.26

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Solution

The fourth proportional to 28,219.26, 42,348.36 and 9,751.26 is: 14,633.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,219.26 : 42,348.36 = 9,751.26 : x
  2. Step 2: Convert to fraction form
    28,219.26/42,348.36 = 9,751.26/x
  3. Step 3: Cross multiply
    28,219.26x = 42,348.36 × 9,751.26
  4. Step 4: Simplify right side
    28,219.26x = 412,949,868.93
  5. Step 5: Solve for x
    x = 412,949,868.93/28,219.26
  6. Step 6: Final answer
    x = 14,633.62

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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.