Home / 19,490.44-26,894.91-10,993.89

Finding the Fourth Proportional to 19,490.44, 26,894.91 and 10,993.89

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Solution

The fourth proportional to 19,490.44, 26,894.91 and 10,993.89 is: 15,170.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.44 : 26,894.91 = 10,993.89 : x
  2. Step 2: Convert to fraction form
    19,490.44/26,894.91 = 10,993.89/x
  3. Step 3: Cross multiply
    19,490.44x = 26,894.91 × 10,993.89
  4. Step 4: Simplify right side
    19,490.44x = 295,679,682.10
  5. Step 5: Solve for x
    x = 295,679,682.10/19,490.44
  6. Step 6: Final answer
    x = 15,170.50

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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.