Home / 19,550.48-26,980-11,167.04

Finding the Fourth Proportional to 19,550.48, 26,980 and 11,167.04

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Solution

The fourth proportional to 19,550.48, 26,980 and 11,167.04 is: 15,410.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,550.48 : 26,980 = 11,167.04 : x
  2. Step 2: Convert to fraction form
    19,550.48/26,980 = 11,167.04/x
  3. Step 3: Cross multiply
    19,550.48x = 26,980 × 11,167.04
  4. Step 4: Simplify right side
    19,550.48x = 301,286,739.20
  5. Step 5: Solve for x
    x = 301,286,739.20/19,550.48
  6. Step 6: Final answer
    x = 15,410.71

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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.