Home / 34,128.43-51,160.23-11,927.34

Finding the Fourth Proportional to 34,128.43, 51,160.23 and 11,927.34

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Solution

The fourth proportional to 34,128.43, 51,160.23 and 11,927.34 is: 17,879.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,128.43 : 51,160.23 = 11,927.34 : x
  2. Step 2: Convert to fraction form
    34,128.43/51,160.23 = 11,927.34/x
  3. Step 3: Cross multiply
    34,128.43x = 51,160.23 × 11,927.34
  4. Step 4: Simplify right side
    34,128.43x = 610,205,457.69
  5. Step 5: Solve for x
    x = 610,205,457.69/34,128.43
  6. Step 6: Final answer
    x = 17,879.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.