Home / 17,477.88-26,220.96-7,618.92

Finding the Fourth Proportional to 17,477.88, 26,220.96 and 7,618.92

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Solution

The fourth proportional to 17,477.88, 26,220.96 and 7,618.92 is: 11,430.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,477.88 : 26,220.96 = 7,618.92 : x
  2. Step 2: Convert to fraction form
    17,477.88/26,220.96 = 7,618.92/x
  3. Step 3: Cross multiply
    17,477.88x = 26,220.96 × 7,618.92
  4. Step 4: Simplify right side
    17,477.88x = 199,775,396.56
  5. Step 5: Solve for x
    x = 199,775,396.56/17,477.88
  6. Step 6: Final answer
    x = 11,430.18

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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.