Home / 17,858.22-26,708.49-10,818.78

Finding the Fourth Proportional to 17,858.22, 26,708.49 and 10,818.78

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Solution

The fourth proportional to 17,858.22, 26,708.49 and 10,818.78 is: 16,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,858.22 : 26,708.49 = 10,818.78 : x
  2. Step 2: Convert to fraction form
    17,858.22/26,708.49 = 10,818.78/x
  3. Step 3: Cross multiply
    17,858.22x = 26,708.49 × 10,818.78
  4. Step 4: Simplify right side
    17,858.22x = 288,953,277.44
  5. Step 5: Solve for x
    x = 288,953,277.44/17,858.22
  6. Step 6: Final answer
    x = 16,180.41

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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.