Home / 26,669.80-39,971.22-13,525.48

Finding the Fourth Proportional to 26,669.80, 39,971.22 and 13,525.48

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Solution

The fourth proportional to 26,669.80, 39,971.22 and 13,525.48 is: 20,271.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,669.80 : 39,971.22 = 13,525.48 : x
  2. Step 2: Convert to fraction form
    26,669.80/39,971.22 = 13,525.48/x
  3. Step 3: Cross multiply
    26,669.80x = 39,971.22 × 13,525.48
  4. Step 4: Simplify right side
    26,669.80x = 540,629,936.69
  5. Step 5: Solve for x
    x = 540,629,936.69/26,669.80
  6. Step 6: Final answer
    x = 20,271.24

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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.