Home / 26,115.97-39,189.52-9,477.30

Finding the Fourth Proportional to 26,115.97, 39,189.52 and 9,477.30

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Solution

The fourth proportional to 26,115.97, 39,189.52 and 9,477.30 is: 14,221.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.97 : 39,189.52 = 9,477.30 : x
  2. Step 2: Convert to fraction form
    26,115.97/39,189.52 = 9,477.30/x
  3. Step 3: Cross multiply
    26,115.97x = 39,189.52 × 9,477.30
  4. Step 4: Simplify right side
    26,115.97x = 371,410,837.90
  5. Step 5: Solve for x
    x = 371,410,837.90/26,115.97
  6. Step 6: Final answer
    x = 14,221.60

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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.