Home / 23,754.72-32,782.80-13,144.32

Finding the Fourth Proportional to 23,754.72, 32,782.80 and 13,144.32

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Solution

The fourth proportional to 23,754.72, 32,782.80 and 13,144.32 is: 18,139.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,754.72 : 32,782.80 = 13,144.32 : x
  2. Step 2: Convert to fraction form
    23,754.72/32,782.80 = 13,144.32/x
  3. Step 3: Cross multiply
    23,754.72x = 32,782.80 × 13,144.32
  4. Step 4: Simplify right side
    23,754.72x = 430,907,613.70
  5. Step 5: Solve for x
    x = 430,907,613.70/23,754.72
  6. Step 6: Final answer
    x = 18,139.87

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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.