Home / 19,837.51-27,375.56-10,885.03

Finding the Fourth Proportional to 19,837.51, 27,375.56 and 10,885.03

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Solution

The fourth proportional to 19,837.51, 27,375.56 and 10,885.03 is: 15,021.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,837.51 : 27,375.56 = 10,885.03 : x
  2. Step 2: Convert to fraction form
    19,837.51/27,375.56 = 10,885.03/x
  3. Step 3: Cross multiply
    19,837.51x = 27,375.56 × 10,885.03
  4. Step 4: Simplify right side
    19,837.51x = 297,983,709.82
  5. Step 5: Solve for x
    x = 297,983,709.82/19,837.51
  6. Step 6: Final answer
    x = 15,021.23

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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.