Home / 29,889.55-41,220.12-19,676.26

Finding the Fourth Proportional to 29,889.55, 41,220.12 and 19,676.26

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Solution

The fourth proportional to 29,889.55, 41,220.12 and 19,676.26 is: 27,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,889.55 : 41,220.12 = 19,676.26 : x
  2. Step 2: Convert to fraction form
    29,889.55/41,220.12 = 19,676.26/x
  3. Step 3: Cross multiply
    29,889.55x = 41,220.12 × 19,676.26
  4. Step 4: Simplify right side
    29,889.55x = 811,057,798.35
  5. Step 5: Solve for x
    x = 811,057,798.35/29,889.55
  6. Step 6: Final answer
    x = 27,135.16

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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.