Home / 17,815.41-26,722.84-6,128.73

Finding the Fourth Proportional to 17,815.41, 26,722.84 and 6,128.73

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Solution

The fourth proportional to 17,815.41, 26,722.84 and 6,128.73 is: 9,193.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,815.41 : 26,722.84 = 6,128.73 : x
  2. Step 2: Convert to fraction form
    17,815.41/26,722.84 = 6,128.73/x
  3. Step 3: Cross multiply
    17,815.41x = 26,722.84 × 6,128.73
  4. Step 4: Simplify right side
    17,815.41x = 163,777,040.55
  5. Step 5: Solve for x
    x = 163,777,040.55/17,815.41
  6. Step 6: Final answer
    x = 9,193.00

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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.