Home / 25,187.45-37,779.66-9,389.42

Finding the Fourth Proportional to 25,187.45, 37,779.66 and 9,389.42

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Solution

The fourth proportional to 25,187.45, 37,779.66 and 9,389.42 is: 14,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.45 : 37,779.66 = 9,389.42 : x
  2. Step 2: Convert to fraction form
    25,187.45/37,779.66 = 9,389.42/x
  3. Step 3: Cross multiply
    25,187.45x = 37,779.66 × 9,389.42
  4. Step 4: Simplify right side
    25,187.45x = 354,728,906.30
  5. Step 5: Solve for x
    x = 354,728,906.30/25,187.45
  6. Step 6: Final answer
    x = 14,083.56

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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.