Home / 18,563.40-27,835.88-5,911.50

Finding the Fourth Proportional to 18,563.40, 27,835.88 and 5,911.50

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Solution

The fourth proportional to 18,563.40, 27,835.88 and 5,911.50 is: 8,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563.40 : 27,835.88 = 5,911.50 : x
  2. Step 2: Convert to fraction form
    18,563.40/27,835.88 = 5,911.50/x
  3. Step 3: Cross multiply
    18,563.40x = 27,835.88 × 5,911.50
  4. Step 4: Simplify right side
    18,563.40x = 164,551,882.91
  5. Step 5: Solve for x
    x = 164,551,882.91/18,563.40
  6. Step 6: Final answer
    x = 8,864.32

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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.