Home / 19,451.40-26,833.06-11,379.77

Finding the Fourth Proportional to 19,451.40, 26,833.06 and 11,379.77

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Solution

The fourth proportional to 19,451.40, 26,833.06 and 11,379.77 is: 15,698.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,451.40 : 26,833.06 = 11,379.77 : x
  2. Step 2: Convert to fraction form
    19,451.40/26,833.06 = 11,379.77/x
  3. Step 3: Cross multiply
    19,451.40x = 26,833.06 × 11,379.77
  4. Step 4: Simplify right side
    19,451.40x = 305,354,051.20
  5. Step 5: Solve for x
    x = 305,354,051.20/19,451.40
  6. Step 6: Final answer
    x = 15,698.31

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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.