Home / 19,059.09-26,297.78-11,981.40

Finding the Fourth Proportional to 19,059.09, 26,297.78 and 11,981.40

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Solution

The fourth proportional to 19,059.09, 26,297.78 and 11,981.40 is: 16,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059.09 : 26,297.78 = 11,981.40 : x
  2. Step 2: Convert to fraction form
    19,059.09/26,297.78 = 11,981.40/x
  3. Step 3: Cross multiply
    19,059.09x = 26,297.78 × 11,981.40
  4. Step 4: Simplify right side
    19,059.09x = 315,084,221.29
  5. Step 5: Solve for x
    x = 315,084,221.29/19,059.09
  6. Step 6: Final answer
    x = 16,531.97

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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.