Home / 29,556.67-40,782.23-18,805.81

Finding the Fourth Proportional to 29,556.67, 40,782.23 and 18,805.81

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Solution

The fourth proportional to 29,556.67, 40,782.23 and 18,805.81 is: 25,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,556.67 : 40,782.23 = 18,805.81 : x
  2. Step 2: Convert to fraction form
    29,556.67/40,782.23 = 18,805.81/x
  3. Step 3: Cross multiply
    29,556.67x = 40,782.23 × 18,805.81
  4. Step 4: Simplify right side
    29,556.67x = 766,942,672.77
  5. Step 5: Solve for x
    x = 766,942,672.77/29,556.67
  6. Step 6: Final answer
    x = 25,948.21

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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.