Home / 19,199.43-26,495.78-11,240.91

Finding the Fourth Proportional to 19,199.43, 26,495.78 and 11,240.91

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Solution

The fourth proportional to 19,199.43, 26,495.78 and 11,240.91 is: 15,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,199.43 : 26,495.78 = 11,240.91 : x
  2. Step 2: Convert to fraction form
    19,199.43/26,495.78 = 11,240.91/x
  3. Step 3: Cross multiply
    19,199.43x = 26,495.78 × 11,240.91
  4. Step 4: Simplify right side
    19,199.43x = 297,836,622.16
  5. Step 5: Solve for x
    x = 297,836,622.16/19,199.43
  6. Step 6: Final answer
    x = 15,512.78

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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.