Home / 19,066.48-28,745.99-17,780.22

Finding the Fourth Proportional to 19,066.48, 28,745.99 and 17,780.22

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Solution

The fourth proportional to 19,066.48, 28,745.99 and 17,780.22 is: 26,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,066.48 : 28,745.99 = 17,780.22 : x
  2. Step 2: Convert to fraction form
    19,066.48/28,745.99 = 17,780.22/x
  3. Step 3: Cross multiply
    19,066.48x = 28,745.99 × 17,780.22
  4. Step 4: Simplify right side
    19,066.48x = 511,110,026.32
  5. Step 5: Solve for x
    x = 511,110,026.32/19,066.48
  6. Step 6: Final answer
    x = 26,806.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.