Home / 25,147.56-37,721.52-7,618.68

Finding the Fourth Proportional to 25,147.56, 37,721.52 and 7,618.68

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Solution

The fourth proportional to 25,147.56, 37,721.52 and 7,618.68 is: 11,428.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.56 : 37,721.52 = 7,618.68 : x
  2. Step 2: Convert to fraction form
    25,147.56/37,721.52 = 7,618.68/x
  3. Step 3: Cross multiply
    25,147.56x = 37,721.52 × 7,618.68
  4. Step 4: Simplify right side
    25,147.56x = 287,388,189.99
  5. Step 5: Solve for x
    x = 287,388,189.99/25,147.56
  6. Step 6: Final answer
    x = 11,428.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.