Home / 18,941.58-26,138.43-10,556.46

Finding the Fourth Proportional to 18,941.58, 26,138.43 and 10,556.46

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Solution

The fourth proportional to 18,941.58, 26,138.43 and 10,556.46 is: 14,567.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.58 : 26,138.43 = 10,556.46 : x
  2. Step 2: Convert to fraction form
    18,941.58/26,138.43 = 10,556.46/x
  3. Step 3: Cross multiply
    18,941.58x = 26,138.43 × 10,556.46
  4. Step 4: Simplify right side
    18,941.58x = 275,929,290.76
  5. Step 5: Solve for x
    x = 275,929,290.76/18,941.58
  6. Step 6: Final answer
    x = 14,567.39

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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.