Home / 19,558.48-26,991.04-11,175.04

Finding the Fourth Proportional to 19,558.48, 26,991.04 and 11,175.04

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Solution

The fourth proportional to 19,558.48, 26,991.04 and 11,175.04 is: 15,421.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.48 : 26,991.04 = 11,175.04 : x
  2. Step 2: Convert to fraction form
    19,558.48/26,991.04 = 11,175.04/x
  3. Step 3: Cross multiply
    19,558.48x = 26,991.04 × 11,175.04
  4. Step 4: Simplify right side
    19,558.48x = 301,625,951.64
  5. Step 5: Solve for x
    x = 301,625,951.64/19,558.48
  6. Step 6: Final answer
    x = 15,421.75

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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.