Home / 20,694.34-31,038.51-6,652.54

Finding the Fourth Proportional to 20,694.34, 31,038.51 and 6,652.54

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Solution

The fourth proportional to 20,694.34, 31,038.51 and 6,652.54 is: 9,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.34 : 31,038.51 = 6,652.54 : x
  2. Step 2: Convert to fraction form
    20,694.34/31,038.51 = 6,652.54/x
  3. Step 3: Cross multiply
    20,694.34x = 31,038.51 × 6,652.54
  4. Step 4: Simplify right side
    20,694.34x = 206,484,929.32
  5. Step 5: Solve for x
    x = 206,484,929.32/20,694.34
  6. Step 6: Final answer
    x = 9,977.85

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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.