Home / 20,898.52-31,352.99-10,373.49

Finding the Fourth Proportional to 20,898.52, 31,352.99 and 10,373.49

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Solution

The fourth proportional to 20,898.52, 31,352.99 and 10,373.49 is: 15,562.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,898.52 : 31,352.99 = 10,373.49 : x
  2. Step 2: Convert to fraction form
    20,898.52/31,352.99 = 10,373.49/x
  3. Step 3: Cross multiply
    20,898.52x = 31,352.99 × 10,373.49
  4. Step 4: Simplify right side
    20,898.52x = 325,239,928.24
  5. Step 5: Solve for x
    x = 325,239,928.24/20,898.52
  6. Step 6: Final answer
    x = 15,562.82

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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.