Home / 13,288.64-19,937.48-8,352.50

Finding the Fourth Proportional to 13,288.64, 19,937.48 and 8,352.50

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Solution

The fourth proportional to 13,288.64, 19,937.48 and 8,352.50 is: 12,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,288.64 : 19,937.48 = 8,352.50 : x
  2. Step 2: Convert to fraction form
    13,288.64/19,937.48 = 8,352.50/x
  3. Step 3: Cross multiply
    13,288.64x = 19,937.48 × 8,352.50
  4. Step 4: Simplify right side
    13,288.64x = 166,527,660.25
  5. Step 5: Solve for x
    x = 166,527,660.25/13,288.64
  6. Step 6: Final answer
    x = 12,531.59

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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.