Home / 20,023.92-27,618-17,757.92

Finding the Fourth Proportional to 20,023.92, 27,618 and 17,757.92

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Solution

The fourth proportional to 20,023.92, 27,618 and 17,757.92 is: 24,492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,023.92 : 27,618 = 17,757.92 : x
  2. Step 2: Convert to fraction form
    20,023.92/27,618 = 17,757.92/x
  3. Step 3: Cross multiply
    20,023.92x = 27,618 × 17,757.92
  4. Step 4: Simplify right side
    20,023.92x = 490,438,234.56
  5. Step 5: Solve for x
    x = 490,438,234.56/20,023.92
  6. Step 6: Final answer
    x = 24,492.62

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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.