Home / 19,933.42-27,508.26-11,435.91

Finding the Fourth Proportional to 19,933.42, 27,508.26 and 11,435.91

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Solution

The fourth proportional to 19,933.42, 27,508.26 and 11,435.91 is: 15,781.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933.42 : 27,508.26 = 11,435.91 : x
  2. Step 2: Convert to fraction form
    19,933.42/27,508.26 = 11,435.91/x
  3. Step 3: Cross multiply
    19,933.42x = 27,508.26 × 11,435.91
  4. Step 4: Simplify right side
    19,933.42x = 314,581,985.62
  5. Step 5: Solve for x
    x = 314,581,985.62/19,933.42
  6. Step 6: Final answer
    x = 15,781.64

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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.