Home / 25,911.36-35,758.26-15,297.12

Finding the Fourth Proportional to 25,911.36, 35,758.26 and 15,297.12

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Solution

The fourth proportional to 25,911.36, 35,758.26 and 15,297.12 is: 21,110.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,911.36 : 35,758.26 = 15,297.12 : x
  2. Step 2: Convert to fraction form
    25,911.36/35,758.26 = 15,297.12/x
  3. Step 3: Cross multiply
    25,911.36x = 35,758.26 × 15,297.12
  4. Step 4: Simplify right side
    25,911.36x = 546,998,394.21
  5. Step 5: Solve for x
    x = 546,998,394.21/25,911.36
  6. Step 6: Final answer
    x = 21,110.37

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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.