Home / 20,263.15-30,396.48-5,472.01

Finding the Fourth Proportional to 20,263.15, 30,396.48 and 5,472.01

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Solution

The fourth proportional to 20,263.15, 30,396.48 and 5,472.01 is: 8,208.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.15 : 30,396.48 = 5,472.01 : x
  2. Step 2: Convert to fraction form
    20,263.15/30,396.48 = 5,472.01/x
  3. Step 3: Cross multiply
    20,263.15x = 30,396.48 × 5,472.01
  4. Step 4: Simplify right side
    20,263.15x = 166,329,842.52
  5. Step 5: Solve for x
    x = 166,329,842.52/20,263.15
  6. Step 6: Final answer
    x = 8,208.49

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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.