Home / 26,419.54-39,635.38-8,888.90

Finding the Fourth Proportional to 26,419.54, 39,635.38 and 8,888.90

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Solution

The fourth proportional to 26,419.54, 39,635.38 and 8,888.90 is: 13,335.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,419.54 : 39,635.38 = 8,888.90 : x
  2. Step 2: Convert to fraction form
    26,419.54/39,635.38 = 8,888.90/x
  3. Step 3: Cross multiply
    26,419.54x = 39,635.38 × 8,888.90
  4. Step 4: Simplify right side
    26,419.54x = 352,314,929.28
  5. Step 5: Solve for x
    x = 352,314,929.28/26,419.54
  6. Step 6: Final answer
    x = 13,335.39

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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.