Home / 19,147.41-26,435.76-12,344.49

Finding the Fourth Proportional to 19,147.41, 26,435.76 and 12,344.49

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Solution

The fourth proportional to 19,147.41, 26,435.76 and 12,344.49 is: 17,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,147.41 : 26,435.76 = 12,344.49 : x
  2. Step 2: Convert to fraction form
    19,147.41/26,435.76 = 12,344.49/x
  3. Step 3: Cross multiply
    19,147.41x = 26,435.76 × 12,344.49
  4. Step 4: Simplify right side
    19,147.41x = 326,335,974.96
  5. Step 5: Solve for x
    x = 326,335,974.96/19,147.41
  6. Step 6: Final answer
    x = 17,043.35

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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.