Home / 25,199.09-34,776.37-16,686.39

Finding the Fourth Proportional to 25,199.09, 34,776.37 and 16,686.39

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Solution

The fourth proportional to 25,199.09, 34,776.37 and 16,686.39 is: 23,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,199.09 : 34,776.37 = 16,686.39 : x
  2. Step 2: Convert to fraction form
    25,199.09/34,776.37 = 16,686.39/x
  3. Step 3: Cross multiply
    25,199.09x = 34,776.37 × 16,686.39
  4. Step 4: Simplify right side
    25,199.09x = 580,292,072.60
  5. Step 5: Solve for x
    x = 580,292,072.60/25,199.09
  6. Step 6: Final answer
    x = 23,028.29

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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.