Home / 18,948.39-26,147.62-10,450.60

Finding the Fourth Proportional to 18,948.39, 26,147.62 and 10,450.60

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Solution

The fourth proportional to 18,948.39, 26,147.62 and 10,450.60 is: 14,421.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,948.39 : 26,147.62 = 10,450.60 : x
  2. Step 2: Convert to fraction form
    18,948.39/26,147.62 = 10,450.60/x
  3. Step 3: Cross multiply
    18,948.39x = 26,147.62 × 10,450.60
  4. Step 4: Simplify right side
    18,948.39x = 273,258,317.57
  5. Step 5: Solve for x
    x = 273,258,317.57/18,948.39
  6. Step 6: Final answer
    x = 14,421.19

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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.