Home / 19,559.67-26,991.86-11,175.63

Finding the Fourth Proportional to 19,559.67, 26,991.86 and 11,175.63

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Solution

The fourth proportional to 19,559.67, 26,991.86 and 11,175.63 is: 15,422.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,559.67 : 26,991.86 = 11,175.63 : x
  2. Step 2: Convert to fraction form
    19,559.67/26,991.86 = 11,175.63/x
  3. Step 3: Cross multiply
    19,559.67x = 26,991.86 × 11,175.63
  4. Step 4: Simplify right side
    19,559.67x = 301,650,933.35
  5. Step 5: Solve for x
    x = 301,650,933.35/19,559.67
  6. Step 6: Final answer
    x = 15,422.09

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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.