Home / 19,837.56-27,377.10-13,111.38

Finding the Fourth Proportional to 19,837.56, 27,377.10 and 13,111.38

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Solution

The fourth proportional to 19,837.56, 27,377.10 and 13,111.38 is: 18,094.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.56 : 27,377.10 = 13,111.38 : x
  2. Step 2: Convert to fraction form
    19,837.56/27,377.10 = 13,111.38/x
  3. Step 3: Cross multiply
    19,837.56x = 27,377.10 × 13,111.38
  4. Step 4: Simplify right side
    19,837.56x = 358,951,561.40
  5. Step 5: Solve for x
    x = 358,951,561.40/19,837.56
  6. Step 6: Final answer
    x = 18,094.54

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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.