Home / 19,043.13-28,577.66-11,451

Finding the Fourth Proportional to 19,043.13, 28,577.66 and 11,451

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Solution

The fourth proportional to 19,043.13, 28,577.66 and 11,451 is: 17,184.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,043.13 : 28,577.66 = 11,451 : x
  2. Step 2: Convert to fraction form
    19,043.13/28,577.66 = 11,451/x
  3. Step 3: Cross multiply
    19,043.13x = 28,577.66 × 11,451
  4. Step 4: Simplify right side
    19,043.13x = 327,242,784.66
  5. Step 5: Solve for x
    x = 327,242,784.66/19,043.13
  6. Step 6: Final answer
    x = 17,184.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.