Home / 14,618.26-20,157.62-11,782.65

Finding the Fourth Proportional to 14,618.26, 20,157.62 and 11,782.65

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Solution

The fourth proportional to 14,618.26, 20,157.62 and 11,782.65 is: 16,247.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.26 : 20,157.62 = 11,782.65 : x
  2. Step 2: Convert to fraction form
    14,618.26/20,157.62 = 11,782.65/x
  3. Step 3: Cross multiply
    14,618.26x = 20,157.62 × 11,782.65
  4. Step 4: Simplify right side
    14,618.26x = 237,510,181.29
  5. Step 5: Solve for x
    x = 237,510,181.29/14,618.26
  6. Step 6: Final answer
    x = 16,247.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.