Home / 25,707.06-38,536.56-9,057.78

Finding the Fourth Proportional to 25,707.06, 38,536.56 and 9,057.78

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Solution

The fourth proportional to 25,707.06, 38,536.56 and 9,057.78 is: 13,578.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,707.06 : 38,536.56 = 9,057.78 : x
  2. Step 2: Convert to fraction form
    25,707.06/38,536.56 = 9,057.78/x
  3. Step 3: Cross multiply
    25,707.06x = 38,536.56 × 9,057.78
  4. Step 4: Simplify right side
    25,707.06x = 349,055,682.44
  5. Step 5: Solve for x
    x = 349,055,682.44/25,707.06
  6. Step 6: Final answer
    x = 13,578.20

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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.