Home / 13,506.49-18,621.62-11,074.89

Finding the Fourth Proportional to 13,506.49, 18,621.62 and 11,074.89

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Solution

The fourth proportional to 13,506.49, 18,621.62 and 11,074.89 is: 15,269.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.49 : 18,621.62 = 11,074.89 : x
  2. Step 2: Convert to fraction form
    13,506.49/18,621.62 = 11,074.89/x
  3. Step 3: Cross multiply
    13,506.49x = 18,621.62 × 11,074.89
  4. Step 4: Simplify right side
    13,506.49x = 206,232,443.46
  5. Step 5: Solve for x
    x = 206,232,443.46/13,506.49
  6. Step 6: Final answer
    x = 15,269.14

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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.