Home / 13,258.66-19,883.94-4,491.22

Finding the Fourth Proportional to 13,258.66, 19,883.94 and 4,491.22

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Solution

The fourth proportional to 13,258.66, 19,883.94 and 4,491.22 is: 6,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,258.66 : 19,883.94 = 4,491.22 : x
  2. Step 2: Convert to fraction form
    13,258.66/19,883.94 = 4,491.22/x
  3. Step 3: Cross multiply
    13,258.66x = 19,883.94 × 4,491.22
  4. Step 4: Simplify right side
    13,258.66x = 89,303,149.01
  5. Step 5: Solve for x
    x = 89,303,149.01/13,258.66
  6. Step 6: Final answer
    x = 6,735.46

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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.