Home / 18,743.37-28,101.17-11,346.08

Finding the Fourth Proportional to 18,743.37, 28,101.17 and 11,346.08

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Solution

The fourth proportional to 18,743.37, 28,101.17 and 11,346.08 is: 17,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.37 : 28,101.17 = 11,346.08 : x
  2. Step 2: Convert to fraction form
    18,743.37/28,101.17 = 11,346.08/x
  3. Step 3: Cross multiply
    18,743.37x = 28,101.17 × 11,346.08
  4. Step 4: Simplify right side
    18,743.37x = 318,838,066.18
  5. Step 5: Solve for x
    x = 318,838,066.18/18,743.37
  6. Step 6: Final answer
    x = 17,010.71

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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.