Home / 25,427.36-38,141.60-17,900.16

Finding the Fourth Proportional to 25,427.36, 38,141.60 and 17,900.16

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Solution

The fourth proportional to 25,427.36, 38,141.60 and 17,900.16 is: 26,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.36 : 38,141.60 = 17,900.16 : x
  2. Step 2: Convert to fraction form
    25,427.36/38,141.60 = 17,900.16/x
  3. Step 3: Cross multiply
    25,427.36x = 38,141.60 × 17,900.16
  4. Step 4: Simplify right side
    25,427.36x = 682,740,742.66
  5. Step 5: Solve for x
    x = 682,740,742.66/25,427.36
  6. Step 6: Final answer
    x = 26,850.63

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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.