Home / 28,349.25-42,525.68-8,629.26

Finding the Fourth Proportional to 28,349.25, 42,525.68 and 8,629.26

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Solution

The fourth proportional to 28,349.25, 42,525.68 and 8,629.26 is: 12,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.25 : 42,525.68 = 8,629.26 : x
  2. Step 2: Convert to fraction form
    28,349.25/42,525.68 = 8,629.26/x
  3. Step 3: Cross multiply
    28,349.25x = 42,525.68 × 8,629.26
  4. Step 4: Simplify right side
    28,349.25x = 366,965,106.25
  5. Step 5: Solve for x
    x = 366,965,106.25/28,349.25
  6. Step 6: Final answer
    x = 12,944.44

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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.