Home / 19,466.48-26,865.74-11,917.81

Finding the Fourth Proportional to 19,466.48, 26,865.74 and 11,917.81

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Solution

The fourth proportional to 19,466.48, 26,865.74 and 11,917.81 is: 16,447.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,466.48 : 26,865.74 = 11,917.81 : x
  2. Step 2: Convert to fraction form
    19,466.48/26,865.74 = 11,917.81/x
  3. Step 3: Cross multiply
    19,466.48x = 26,865.74 × 11,917.81
  4. Step 4: Simplify right side
    19,466.48x = 320,180,590.91
  5. Step 5: Solve for x
    x = 320,180,590.91/19,466.48
  6. Step 6: Final answer
    x = 16,447.79

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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.