Home / 30,128.00-41,576.54-16,699.13

Finding the Fourth Proportional to 30,128.00, 41,576.54 and 16,699.13

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Solution

The fourth proportional to 30,128.00, 41,576.54 and 16,699.13 is: 23,044.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,128.00 : 41,576.54 = 16,699.13 : x
  2. Step 2: Convert to fraction form
    30,128.00/41,576.54 = 16,699.13/x
  3. Step 3: Cross multiply
    30,128.00x = 41,576.54 × 16,699.13
  4. Step 4: Simplify right side
    30,128.00x = 694,291,755.03
  5. Step 5: Solve for x
    x = 694,291,755.03/30,128.00
  6. Step 6: Final answer
    x = 23,044.73

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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.