Home / 19,300.73-28,986.75-11,557.13

Finding the Fourth Proportional to 19,300.73, 28,986.75 and 11,557.13

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Solution

The fourth proportional to 19,300.73, 28,986.75 and 11,557.13 is: 17,357.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.73 : 28,986.75 = 11,557.13 : x
  2. Step 2: Convert to fraction form
    19,300.73/28,986.75 = 11,557.13/x
  3. Step 3: Cross multiply
    19,300.73x = 28,986.75 × 11,557.13
  4. Step 4: Simplify right side
    19,300.73x = 335,003,493.09
  5. Step 5: Solve for x
    x = 335,003,493.09/19,300.73
  6. Step 6: Final answer
    x = 17,357.04

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1.5x scale

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.