Home / 19,879.43-27,386.71-17,037.54

Finding the Fourth Proportional to 19,879.43, 27,386.71 and 17,037.54

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Solution

The fourth proportional to 19,879.43, 27,386.71 and 17,037.54 is: 23,471.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879.43 : 27,386.71 = 17,037.54 : x
  2. Step 2: Convert to fraction form
    19,879.43/27,386.71 = 17,037.54/x
  3. Step 3: Cross multiply
    19,879.43x = 27,386.71 × 17,037.54
  4. Step 4: Simplify right side
    19,879.43x = 466,602,124.50
  5. Step 5: Solve for x
    x = 466,602,124.50/19,879.43
  6. Step 6: Final answer
    x = 23,471.61

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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.