Home / 18,540.88-25,566.64-14,756.56

Finding the Fourth Proportional to 18,540.88, 25,566.64 and 14,756.56

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Solution

The fourth proportional to 18,540.88, 25,566.64 and 14,756.56 is: 20,348.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.88 : 25,566.64 = 14,756.56 : x
  2. Step 2: Convert to fraction form
    18,540.88/25,566.64 = 14,756.56/x
  3. Step 3: Cross multiply
    18,540.88x = 25,566.64 × 14,756.56
  4. Step 4: Simplify right side
    18,540.88x = 377,275,657.16
  5. Step 5: Solve for x
    x = 377,275,657.16/18,540.88
  6. Step 6: Final answer
    x = 20,348.31

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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.