Home / 18,023.44-24,858.62-15,509.74

Finding the Fourth Proportional to 18,023.44, 24,858.62 and 15,509.74

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Solution

The fourth proportional to 18,023.44, 24,858.62 and 15,509.74 is: 21,391.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,023.44 : 24,858.62 = 15,509.74 : x
  2. Step 2: Convert to fraction form
    18,023.44/24,858.62 = 15,509.74/x
  3. Step 3: Cross multiply
    18,023.44x = 24,858.62 × 15,509.74
  4. Step 4: Simplify right side
    18,023.44x = 385,550,732.96
  5. Step 5: Solve for x
    x = 385,550,732.96/18,023.44
  6. Step 6: Final answer
    x = 21,391.63

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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.