Home / 18,985.67-26,200.58-11,028.41

Finding the Fourth Proportional to 18,985.67, 26,200.58 and 11,028.41

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Solution

The fourth proportional to 18,985.67, 26,200.58 and 11,028.41 is: 15,219.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.67 : 26,200.58 = 11,028.41 : x
  2. Step 2: Convert to fraction form
    18,985.67/26,200.58 = 11,028.41/x
  3. Step 3: Cross multiply
    18,985.67x = 26,200.58 × 11,028.41
  4. Step 4: Simplify right side
    18,985.67x = 288,950,738.48
  5. Step 5: Solve for x
    x = 288,950,738.48/18,985.67
  6. Step 6: Final answer
    x = 15,219.41

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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.