Home / 26,017.80-39,026.70-16,686.60

Finding the Fourth Proportional to 26,017.80, 39,026.70 and 16,686.60

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Solution

The fourth proportional to 26,017.80, 39,026.70 and 16,686.60 is: 25,029.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,017.80 : 39,026.70 = 16,686.60 : x
  2. Step 2: Convert to fraction form
    26,017.80/39,026.70 = 16,686.60/x
  3. Step 3: Cross multiply
    26,017.80x = 39,026.70 × 16,686.60
  4. Step 4: Simplify right side
    26,017.80x = 651,222,932.22
  5. Step 5: Solve for x
    x = 651,222,932.22/26,017.80
  6. Step 6: Final answer
    x = 25,029.90

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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.