Home / 18,506.73-25,538.97-11,335.53

Finding the Fourth Proportional to 18,506.73, 25,538.97 and 11,335.53

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Solution

The fourth proportional to 18,506.73, 25,538.97 and 11,335.53 is: 15,642.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.73 : 25,538.97 = 11,335.53 : x
  2. Step 2: Convert to fraction form
    18,506.73/25,538.97 = 11,335.53/x
  3. Step 3: Cross multiply
    18,506.73x = 25,538.97 × 11,335.53
  4. Step 4: Simplify right side
    18,506.73x = 289,497,760.60
  5. Step 5: Solve for x
    x = 289,497,760.60/18,506.73
  6. Step 6: Final answer
    x = 15,642.84

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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.