Home / 18,409.96-27,618.36-16,740.64

Finding the Fourth Proportional to 18,409.96, 27,618.36 and 16,740.64

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Solution

The fourth proportional to 18,409.96, 27,618.36 and 16,740.64 is: 25,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409.96 : 27,618.36 = 16,740.64 : x
  2. Step 2: Convert to fraction form
    18,409.96/27,618.36 = 16,740.64/x
  3. Step 3: Cross multiply
    18,409.96x = 27,618.36 × 16,740.64
  4. Step 4: Simplify right side
    18,409.96x = 462,349,022.15
  5. Step 5: Solve for x
    x = 462,349,022.15/18,409.96
  6. Step 6: Final answer
    x = 25,114.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.