Home / 13,271.20-19,904.37-5,373.30

Finding the Fourth Proportional to 13,271.20, 19,904.37 and 5,373.30

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Solution

The fourth proportional to 13,271.20, 19,904.37 and 5,373.30 is: 8,058.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.20 : 19,904.37 = 5,373.30 : x
  2. Step 2: Convert to fraction form
    13,271.20/19,904.37 = 5,373.30/x
  3. Step 3: Cross multiply
    13,271.20x = 19,904.37 × 5,373.30
  4. Step 4: Simplify right side
    13,271.20x = 106,952,151.32
  5. Step 5: Solve for x
    x = 106,952,151.32/13,271.20
  6. Step 6: Final answer
    x = 8,058.97

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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.