Home / 17,331.79-25,999.12-5,486.38

Finding the Fourth Proportional to 17,331.79, 25,999.12 and 5,486.38

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Solution

The fourth proportional to 17,331.79, 25,999.12 and 5,486.38 is: 8,230.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,331.79 : 25,999.12 = 5,486.38 : x
  2. Step 2: Convert to fraction form
    17,331.79/25,999.12 = 5,486.38/x
  3. Step 3: Cross multiply
    17,331.79x = 25,999.12 × 5,486.38
  4. Step 4: Simplify right side
    17,331.79x = 142,641,051.99
  5. Step 5: Solve for x
    x = 142,641,051.99/17,331.79
  6. Step 6: Final answer
    x = 8,230.02

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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.