Home / 19,956.51-27,541.21-11,003.98

Finding the Fourth Proportional to 19,956.51, 27,541.21 and 11,003.98

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Solution

The fourth proportional to 19,956.51, 27,541.21 and 11,003.98 is: 15,186.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.51 : 27,541.21 = 11,003.98 : x
  2. Step 2: Convert to fraction form
    19,956.51/27,541.21 = 11,003.98/x
  3. Step 3: Cross multiply
    19,956.51x = 27,541.21 × 11,003.98
  4. Step 4: Simplify right side
    19,956.51x = 303,062,924.02
  5. Step 5: Solve for x
    x = 303,062,924.02/19,956.51
  6. Step 6: Final answer
    x = 15,186.17

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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.