Home / 19,455.94-26,849.45-11,394.62

Finding the Fourth Proportional to 19,455.94, 26,849.45 and 11,394.62

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Solution

The fourth proportional to 19,455.94, 26,849.45 and 11,394.62 is: 15,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.94 : 26,849.45 = 11,394.62 : x
  2. Step 2: Convert to fraction form
    19,455.94/26,849.45 = 11,394.62/x
  3. Step 3: Cross multiply
    19,455.94x = 26,849.45 × 11,394.62
  4. Step 4: Simplify right side
    19,455.94x = 305,939,174.20
  5. Step 5: Solve for x
    x = 305,939,174.20/19,455.94
  6. Step 6: Final answer
    x = 15,724.72

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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.