Home / 20,225.24-30,341.16-6,371

Finding the Fourth Proportional to 20,225.24, 30,341.16 and 6,371

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Solution

The fourth proportional to 20,225.24, 30,341.16 and 6,371 is: 9,557.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,225.24 : 30,341.16 = 6,371 : x
  2. Step 2: Convert to fraction form
    20,225.24/30,341.16 = 6,371/x
  3. Step 3: Cross multiply
    20,225.24x = 30,341.16 × 6,371
  4. Step 4: Simplify right side
    20,225.24x = 193,303,530.36
  5. Step 5: Solve for x
    x = 193,303,530.36/20,225.24
  6. Step 6: Final answer
    x = 9,557.54

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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.