Home / 13,858.02-20,786.49-4,624.02

Finding the Fourth Proportional to 13,858.02, 20,786.49 and 4,624.02

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Solution

The fourth proportional to 13,858.02, 20,786.49 and 4,624.02 is: 6,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,858.02 : 20,786.49 = 4,624.02 : x
  2. Step 2: Convert to fraction form
    13,858.02/20,786.49 = 4,624.02/x
  3. Step 3: Cross multiply
    13,858.02x = 20,786.49 × 4,624.02
  4. Step 4: Simplify right side
    13,858.02x = 96,117,145.49
  5. Step 5: Solve for x
    x = 96,117,145.49/13,858.02
  6. Step 6: Final answer
    x = 6,935.85

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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.