Home / 20,846.13-31,269.06-5,263.77

Finding the Fourth Proportional to 20,846.13, 31,269.06 and 5,263.77

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Solution

The fourth proportional to 20,846.13, 31,269.06 and 5,263.77 is: 7,895.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,846.13 : 31,269.06 = 5,263.77 : x
  2. Step 2: Convert to fraction form
    20,846.13/31,269.06 = 5,263.77/x
  3. Step 3: Cross multiply
    20,846.13x = 31,269.06 × 5,263.77
  4. Step 4: Simplify right side
    20,846.13x = 164,593,139.96
  5. Step 5: Solve for x
    x = 164,593,139.96/20,846.13
  6. Step 6: Final answer
    x = 7,895.62

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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.