Home / 19,284.89-26,615.99-12,211.97

Finding the Fourth Proportional to 19,284.89, 26,615.99 and 12,211.97

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Solution

The fourth proportional to 19,284.89, 26,615.99 and 12,211.97 is: 16,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,284.89 : 26,615.99 = 12,211.97 : x
  2. Step 2: Convert to fraction form
    19,284.89/26,615.99 = 12,211.97/x
  3. Step 3: Cross multiply
    19,284.89x = 26,615.99 × 12,211.97
  4. Step 4: Simplify right side
    19,284.89x = 325,033,568.85
  5. Step 5: Solve for x
    x = 325,033,568.85/19,284.89
  6. Step 6: Final answer
    x = 16,854.32

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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.