Home / 19,062.12-28,601.37-9,208.79

Finding the Fourth Proportional to 19,062.12, 28,601.37 and 9,208.79

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Solution

The fourth proportional to 19,062.12, 28,601.37 and 9,208.79 is: 13,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.12 : 28,601.37 = 9,208.79 : x
  2. Step 2: Convert to fraction form
    19,062.12/28,601.37 = 9,208.79/x
  3. Step 3: Cross multiply
    19,062.12x = 28,601.37 × 9,208.79
  4. Step 4: Simplify right side
    19,062.12x = 263,384,010.04
  5. Step 5: Solve for x
    x = 263,384,010.04/19,062.12
  6. Step 6: Final answer
    x = 13,817.14

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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.