Home / 18,540.53-25,582.31-14,997.59

Finding the Fourth Proportional to 18,540.53, 25,582.31 and 14,997.59

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Solution

The fourth proportional to 18,540.53, 25,582.31 and 14,997.59 is: 20,693.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.53 : 25,582.31 = 14,997.59 : x
  2. Step 2: Convert to fraction form
    18,540.53/25,582.31 = 14,997.59/x
  3. Step 3: Cross multiply
    18,540.53x = 25,582.31 × 14,997.59
  4. Step 4: Simplify right side
    18,540.53x = 383,672,868.72
  5. Step 5: Solve for x
    x = 383,672,868.72/18,540.53
  6. Step 6: Final answer
    x = 20,693.74

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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.