Home / 19,621.67-27,074.94-12,069.23

Finding the Fourth Proportional to 19,621.67, 27,074.94 and 12,069.23

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Solution

The fourth proportional to 19,621.67, 27,074.94 and 12,069.23 is: 16,653.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.67 : 27,074.94 = 12,069.23 : x
  2. Step 2: Convert to fraction form
    19,621.67/27,074.94 = 12,069.23/x
  3. Step 3: Cross multiply
    19,621.67x = 27,074.94 × 12,069.23
  4. Step 4: Simplify right side
    19,621.67x = 326,773,678.10
  5. Step 5: Solve for x
    x = 326,773,678.10/19,621.67
  6. Step 6: Final answer
    x = 16,653.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.