Home / 12,948.34-19,422.60-4,183.60

Finding the Fourth Proportional to 12,948.34, 19,422.60 and 4,183.60

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Solution

The fourth proportional to 12,948.34, 19,422.60 and 4,183.60 is: 6,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.34 : 19,422.60 = 4,183.60 : x
  2. Step 2: Convert to fraction form
    12,948.34/19,422.60 = 4,183.60/x
  3. Step 3: Cross multiply
    12,948.34x = 19,422.60 × 4,183.60
  4. Step 4: Simplify right side
    12,948.34x = 81,256,389.36
  5. Step 5: Solve for x
    x = 81,256,389.36/12,948.34
  6. Step 6: Final answer
    x = 6,275.43

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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.