Home / 18,151.23-25,051.41-11,081.76

Finding the Fourth Proportional to 18,151.23, 25,051.41 and 11,081.76

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Solution

The fourth proportional to 18,151.23, 25,051.41 and 11,081.76 is: 15,294.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,151.23 : 25,051.41 = 11,081.76 : x
  2. Step 2: Convert to fraction form
    18,151.23/25,051.41 = 11,081.76/x
  3. Step 3: Cross multiply
    18,151.23x = 25,051.41 × 11,081.76
  4. Step 4: Simplify right side
    18,151.23x = 277,613,713.28
  5. Step 5: Solve for x
    x = 277,613,713.28/18,151.23
  6. Step 6: Final answer
    x = 15,294.48

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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.