Home / 18,618.64-25,693.36-10,234.96

Finding the Fourth Proportional to 18,618.64, 25,693.36 and 10,234.96

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Solution

The fourth proportional to 18,618.64, 25,693.36 and 10,234.96 is: 14,124.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,618.64 : 25,693.36 = 10,234.96 : x
  2. Step 2: Convert to fraction form
    18,618.64/25,693.36 = 10,234.96/x
  3. Step 3: Cross multiply
    18,618.64x = 25,693.36 × 10,234.96
  4. Step 4: Simplify right side
    18,618.64x = 262,970,511.87
  5. Step 5: Solve for x
    x = 262,970,511.87/18,618.64
  6. Step 6: Final answer
    x = 14,124.05

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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.