Home / 18,683.60-25,792.83-12,314.36

Finding the Fourth Proportional to 18,683.60, 25,792.83 and 12,314.36

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Solution

The fourth proportional to 18,683.60, 25,792.83 and 12,314.36 is: 17,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.60 : 25,792.83 = 12,314.36 : x
  2. Step 2: Convert to fraction form
    18,683.60/25,792.83 = 12,314.36/x
  3. Step 3: Cross multiply
    18,683.60x = 25,792.83 × 12,314.36
  4. Step 4: Simplify right side
    18,683.60x = 317,622,258.52
  5. Step 5: Solve for x
    x = 317,622,258.52/18,683.60
  6. Step 6: Final answer
    x = 17,000.06

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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.