Home / 19,756.22-29,645.28-8,068.54

Finding the Fourth Proportional to 19,756.22, 29,645.28 and 8,068.54

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Solution

The fourth proportional to 19,756.22, 29,645.28 and 8,068.54 is: 12,107.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.22 : 29,645.28 = 8,068.54 : x
  2. Step 2: Convert to fraction form
    19,756.22/29,645.28 = 8,068.54/x
  3. Step 3: Cross multiply
    19,756.22x = 29,645.28 × 8,068.54
  4. Step 4: Simplify right side
    19,756.22x = 239,194,127.49
  5. Step 5: Solve for x
    x = 239,194,127.49/19,756.22
  6. Step 6: Final answer
    x = 12,107.28

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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.