Home / 27,148.23-40,724.42-9,136.54

Finding the Fourth Proportional to 27,148.23, 40,724.42 and 9,136.54

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Solution

The fourth proportional to 27,148.23, 40,724.42 and 9,136.54 is: 13,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,148.23 : 40,724.42 = 9,136.54 : x
  2. Step 2: Convert to fraction form
    27,148.23/40,724.42 = 9,136.54/x
  3. Step 3: Cross multiply
    27,148.23x = 40,724.42 × 9,136.54
  4. Step 4: Simplify right side
    27,148.23x = 372,080,450.98
  5. Step 5: Solve for x
    x = 372,080,450.98/27,148.23
  6. Step 6: Final answer
    x = 13,705.52

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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.