Home / 19,783.10-27,313.43-17,654.99

Finding the Fourth Proportional to 19,783.10, 27,313.43 and 17,654.99

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Solution

The fourth proportional to 19,783.10, 27,313.43 and 17,654.99 is: 24,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,783.10 : 27,313.43 = 17,654.99 : x
  2. Step 2: Convert to fraction form
    19,783.10/27,313.43 = 17,654.99/x
  3. Step 3: Cross multiply
    19,783.10x = 27,313.43 × 17,654.99
  4. Step 4: Simplify right side
    19,783.10x = 482,218,245.24
  5. Step 5: Solve for x
    x = 482,218,245.24/19,783.10
  6. Step 6: Final answer
    x = 24,375.26

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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.