Home / 19,660.70-27,131.53-10,708.01

Finding the Fourth Proportional to 19,660.70, 27,131.53 and 10,708.01

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Solution

The fourth proportional to 19,660.70, 27,131.53 and 10,708.01 is: 14,776.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,660.70 : 27,131.53 = 10,708.01 : x
  2. Step 2: Convert to fraction form
    19,660.70/27,131.53 = 10,708.01/x
  3. Step 3: Cross multiply
    19,660.70x = 27,131.53 × 10,708.01
  4. Step 4: Simplify right side
    19,660.70x = 290,524,774.18
  5. Step 5: Solve for x
    x = 290,524,774.18/19,660.70
  6. Step 6: Final answer
    x = 14,776.93

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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.