Home / 26,355.20-39,538.20-8,837.60

Finding the Fourth Proportional to 26,355.20, 39,538.20 and 8,837.60

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Solution

The fourth proportional to 26,355.20, 39,538.20 and 8,837.60 is: 13,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,355.20 : 39,538.20 = 8,837.60 : x
  2. Step 2: Convert to fraction form
    26,355.20/39,538.20 = 8,837.60/x
  3. Step 3: Cross multiply
    26,355.20x = 39,538.20 × 8,837.60
  4. Step 4: Simplify right side
    26,355.20x = 349,422,796.32
  5. Step 5: Solve for x
    x = 349,422,796.32/26,355.20
  6. Step 6: Final answer
    x = 13,258.21

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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.