Home / 18,835.54-25,981.56-13,537.53

Finding the Fourth Proportional to 18,835.54, 25,981.56 and 13,537.53

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Solution

The fourth proportional to 18,835.54, 25,981.56 and 13,537.53 is: 18,673.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,835.54 : 25,981.56 = 13,537.53 : x
  2. Step 2: Convert to fraction form
    18,835.54/25,981.56 = 13,537.53/x
  3. Step 3: Cross multiply
    18,835.54x = 25,981.56 × 13,537.53
  4. Step 4: Simplify right side
    18,835.54x = 351,726,147.95
  5. Step 5: Solve for x
    x = 351,726,147.95/18,835.54
  6. Step 6: Final answer
    x = 18,673.54

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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.