Home / 19,858.32-29,786.57-6,710.81

Finding the Fourth Proportional to 19,858.32, 29,786.57 and 6,710.81

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Solution

The fourth proportional to 19,858.32, 29,786.57 and 6,710.81 is: 10,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.32 : 29,786.57 = 6,710.81 : x
  2. Step 2: Convert to fraction form
    19,858.32/29,786.57 = 6,710.81/x
  3. Step 3: Cross multiply
    19,858.32x = 29,786.57 × 6,710.81
  4. Step 4: Simplify right side
    19,858.32x = 199,891,966.59
  5. Step 5: Solve for x
    x = 199,891,966.59/19,858.32
  6. Step 6: Final answer
    x = 10,065.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.