Home / 29,462.88-40,651.44-18,703.68

Finding the Fourth Proportional to 29,462.88, 40,651.44 and 18,703.68

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Solution

The fourth proportional to 29,462.88, 40,651.44 and 18,703.68 is: 25,806.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,462.88 : 40,651.44 = 18,703.68 : x
  2. Step 2: Convert to fraction form
    29,462.88/40,651.44 = 18,703.68/x
  3. Step 3: Cross multiply
    29,462.88x = 40,651.44 × 18,703.68
  4. Step 4: Simplify right side
    29,462.88x = 760,331,525.30
  5. Step 5: Solve for x
    x = 760,331,525.30/29,462.88
  6. Step 6: Final answer
    x = 25,806.42

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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.