Home / 27,500.64-41,220.72-18,001.44

Finding the Fourth Proportional to 27,500.64, 41,220.72 and 18,001.44

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Solution

The fourth proportional to 27,500.64, 41,220.72 and 18,001.44 is: 26,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,500.64 : 41,220.72 = 18,001.44 : x
  2. Step 2: Convert to fraction form
    27,500.64/41,220.72 = 18,001.44/x
  3. Step 3: Cross multiply
    27,500.64x = 41,220.72 × 18,001.44
  4. Step 4: Simplify right side
    27,500.64x = 742,032,317.84
  5. Step 5: Solve for x
    x = 742,032,317.84/27,500.64
  6. Step 6: Final answer
    x = 26,982.37

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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.