Home / 13,892.65-19,173.68-7,922.95

Finding the Fourth Proportional to 13,892.65, 19,173.68 and 7,922.95

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Solution

The fourth proportional to 13,892.65, 19,173.68 and 7,922.95 is: 10,934.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,892.65 : 19,173.68 = 7,922.95 : x
  2. Step 2: Convert to fraction form
    13,892.65/19,173.68 = 7,922.95/x
  3. Step 3: Cross multiply
    13,892.65x = 19,173.68 × 7,922.95
  4. Step 4: Simplify right side
    13,892.65x = 151,912,050.12
  5. Step 5: Solve for x
    x = 151,912,050.12/13,892.65
  6. Step 6: Final answer
    x = 10,934.71

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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.