Home / 19,163.23-26,443.69-10,664.71

Finding the Fourth Proportional to 19,163.23, 26,443.69 and 10,664.71

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Solution

The fourth proportional to 19,163.23, 26,443.69 and 10,664.71 is: 14,716.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.23 : 26,443.69 = 10,664.71 : x
  2. Step 2: Convert to fraction form
    19,163.23/26,443.69 = 10,664.71/x
  3. Step 3: Cross multiply
    19,163.23x = 26,443.69 × 10,664.71
  4. Step 4: Simplify right side
    19,163.23x = 282,014,285.18
  5. Step 5: Solve for x
    x = 282,014,285.18/19,163.23
  6. Step 6: Final answer
    x = 14,716.43

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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.