Home / 21,577.58-29,773.35-19,833.58

Finding the Fourth Proportional to 21,577.58, 29,773.35 and 19,833.58

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Solution

The fourth proportional to 21,577.58, 29,773.35 and 19,833.58 is: 27,366.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,577.58 : 29,773.35 = 19,833.58 : x
  2. Step 2: Convert to fraction form
    21,577.58/29,773.35 = 19,833.58/x
  3. Step 3: Cross multiply
    21,577.58x = 29,773.35 × 19,833.58
  4. Step 4: Simplify right side
    21,577.58x = 590,512,119.09
  5. Step 5: Solve for x
    x = 590,512,119.09/21,577.58
  6. Step 6: Final answer
    x = 27,366.93

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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.