Home / 19,216.48-26,514.21-11,662.63

Finding the Fourth Proportional to 19,216.48, 26,514.21 and 11,662.63

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Solution

The fourth proportional to 19,216.48, 26,514.21 and 11,662.63 is: 16,091.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,216.48 : 26,514.21 = 11,662.63 : x
  2. Step 2: Convert to fraction form
    19,216.48/26,514.21 = 11,662.63/x
  3. Step 3: Cross multiply
    19,216.48x = 26,514.21 × 11,662.63
  4. Step 4: Simplify right side
    19,216.48x = 309,225,420.97
  5. Step 5: Solve for x
    x = 309,225,420.97/19,216.48
  6. Step 6: Final answer
    x = 16,091.68

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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.