Home / 17,731.24-26,563.65-15,905.50

Finding the Fourth Proportional to 17,731.24, 26,563.65 and 15,905.50

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Solution

The fourth proportional to 17,731.24, 26,563.65 and 15,905.50 is: 23,828.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,731.24 : 26,563.65 = 15,905.50 : x
  2. Step 2: Convert to fraction form
    17,731.24/26,563.65 = 15,905.50/x
  3. Step 3: Cross multiply
    17,731.24x = 26,563.65 × 15,905.50
  4. Step 4: Simplify right side
    17,731.24x = 422,508,135.08
  5. Step 5: Solve for x
    x = 422,508,135.08/17,731.24
  6. Step 6: Final answer
    x = 23,828.46

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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.