Home / 19,197.74-26,485.07-12,740.41

Finding the Fourth Proportional to 19,197.74, 26,485.07 and 12,740.41

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Solution

The fourth proportional to 19,197.74, 26,485.07 and 12,740.41 is: 17,576.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,197.74 : 26,485.07 = 12,740.41 : x
  2. Step 2: Convert to fraction form
    19,197.74/26,485.07 = 12,740.41/x
  3. Step 3: Cross multiply
    19,197.74x = 26,485.07 × 12,740.41
  4. Step 4: Simplify right side
    19,197.74x = 337,430,650.68
  5. Step 5: Solve for x
    x = 337,430,650.68/19,197.74
  6. Step 6: Final answer
    x = 17,576.58

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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.