Home / 19,103.58-26,362.94-11,145.86

Finding the Fourth Proportional to 19,103.58, 26,362.94 and 11,145.86

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Solution

The fourth proportional to 19,103.58, 26,362.94 and 11,145.86 is: 15,381.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,103.58 : 26,362.94 = 11,145.86 : x
  2. Step 2: Convert to fraction form
    19,103.58/26,362.94 = 11,145.86/x
  3. Step 3: Cross multiply
    19,103.58x = 26,362.94 × 11,145.86
  4. Step 4: Simplify right side
    19,103.58x = 293,837,450.88
  5. Step 5: Solve for x
    x = 293,837,450.88/19,103.58
  6. Step 6: Final answer
    x = 15,381.28

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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.