Home / 19,276.08-28,912.86-6,129.24

Finding the Fourth Proportional to 19,276.08, 28,912.86 and 6,129.24

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Solution

The fourth proportional to 19,276.08, 28,912.86 and 6,129.24 is: 9,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.08 : 28,912.86 = 6,129.24 : x
  2. Step 2: Convert to fraction form
    19,276.08/28,912.86 = 6,129.24/x
  3. Step 3: Cross multiply
    19,276.08x = 28,912.86 × 6,129.24
  4. Step 4: Simplify right side
    19,276.08x = 177,213,858.03
  5. Step 5: Solve for x
    x = 177,213,858.03/19,276.08
  6. Step 6: Final answer
    x = 9,193.46

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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.