Home / 19,956.71-27,541.01-11,004.86

Finding the Fourth Proportional to 19,956.71, 27,541.01 and 11,004.86

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Solution

The fourth proportional to 19,956.71, 27,541.01 and 11,004.86 is: 15,187.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.71 : 27,541.01 = 11,004.86 : x
  2. Step 2: Convert to fraction form
    19,956.71/27,541.01 = 11,004.86/x
  3. Step 3: Cross multiply
    19,956.71x = 27,541.01 × 11,004.86
  4. Step 4: Simplify right side
    19,956.71x = 303,085,055.67
  5. Step 5: Solve for x
    x = 303,085,055.67/19,956.71
  6. Step 6: Final answer
    x = 15,187.12

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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.