Home / 13,450.25-18,574.66-11,083.67

Finding the Fourth Proportional to 13,450.25, 18,574.66 and 11,083.67

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Solution

The fourth proportional to 13,450.25, 18,574.66 and 11,083.67 is: 15,306.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.25 : 18,574.66 = 11,083.67 : x
  2. Step 2: Convert to fraction form
    13,450.25/18,574.66 = 11,083.67/x
  3. Step 3: Cross multiply
    13,450.25x = 18,574.66 × 11,083.67
  4. Step 4: Simplify right side
    13,450.25x = 205,875,420.53
  5. Step 5: Solve for x
    x = 205,875,420.53/13,450.25
  6. Step 6: Final answer
    x = 15,306.44

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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.