Home / 25,169.12-37,782.83-13,505.12

Finding the Fourth Proportional to 25,169.12, 37,782.83 and 13,505.12

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Solution

The fourth proportional to 25,169.12, 37,782.83 and 13,505.12 is: 20,273.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,169.12 : 37,782.83 = 13,505.12 : x
  2. Step 2: Convert to fraction form
    25,169.12/37,782.83 = 13,505.12/x
  3. Step 3: Cross multiply
    25,169.12x = 37,782.83 × 13,505.12
  4. Step 4: Simplify right side
    25,169.12x = 510,261,396.65
  5. Step 5: Solve for x
    x = 510,261,396.65/25,169.12
  6. Step 6: Final answer
    x = 20,273.31

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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.