Home / 18,513.14-25,537.76-11,346.53

Finding the Fourth Proportional to 18,513.14, 25,537.76 and 11,346.53

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Solution

The fourth proportional to 18,513.14, 25,537.76 and 11,346.53 is: 15,651.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,513.14 : 25,537.76 = 11,346.53 : x
  2. Step 2: Convert to fraction form
    18,513.14/25,537.76 = 11,346.53/x
  3. Step 3: Cross multiply
    18,513.14x = 25,537.76 × 11,346.53
  4. Step 4: Simplify right side
    18,513.14x = 289,764,775.55
  5. Step 5: Solve for x
    x = 289,764,775.55/18,513.14
  6. Step 6: Final answer
    x = 15,651.85

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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.