Home / 19,440.57-26,826.91-10,943.07

Finding the Fourth Proportional to 19,440.57, 26,826.91 and 10,943.07

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Solution

The fourth proportional to 19,440.57, 26,826.91 and 10,943.07 is: 15,100.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440.57 : 26,826.91 = 10,943.07 : x
  2. Step 2: Convert to fraction form
    19,440.57/26,826.91 = 10,943.07/x
  3. Step 3: Cross multiply
    19,440.57x = 26,826.91 × 10,943.07
  4. Step 4: Simplify right side
    19,440.57x = 293,568,754.01
  5. Step 5: Solve for x
    x = 293,568,754.01/19,440.57
  6. Step 6: Final answer
    x = 15,100.83

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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.