Home / 19,708.18-27,197.27-12,634.60

Finding the Fourth Proportional to 19,708.18, 27,197.27 and 12,634.60

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Solution

The fourth proportional to 19,708.18, 27,197.27 and 12,634.60 is: 17,435.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.18 : 27,197.27 = 12,634.60 : x
  2. Step 2: Convert to fraction form
    19,708.18/27,197.27 = 12,634.60/x
  3. Step 3: Cross multiply
    19,708.18x = 27,197.27 × 12,634.60
  4. Step 4: Simplify right side
    19,708.18x = 343,626,591.14
  5. Step 5: Solve for x
    x = 343,626,591.14/19,708.18
  6. Step 6: Final answer
    x = 17,435.74

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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.