Home / 17,187.96-25,779.43-6,663.01

Finding the Fourth Proportional to 17,187.96, 25,779.43 and 6,663.01

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Solution

The fourth proportional to 17,187.96, 25,779.43 and 6,663.01 is: 9,993.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,187.96 : 25,779.43 = 6,663.01 : x
  2. Step 2: Convert to fraction form
    17,187.96/25,779.43 = 6,663.01/x
  3. Step 3: Cross multiply
    17,187.96x = 25,779.43 × 6,663.01
  4. Step 4: Simplify right side
    17,187.96x = 171,768,599.88
  5. Step 5: Solve for x
    x = 171,768,599.88/17,187.96
  6. Step 6: Final answer
    x = 9,993.54

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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.