Home / 19,848.10-29,776.75-8,757.94

Finding the Fourth Proportional to 19,848.10, 29,776.75 and 8,757.94

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Solution

The fourth proportional to 19,848.10, 29,776.75 and 8,757.94 is: 13,138.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.10 : 29,776.75 = 8,757.94 : x
  2. Step 2: Convert to fraction form
    19,848.10/29,776.75 = 8,757.94/x
  3. Step 3: Cross multiply
    19,848.10x = 29,776.75 × 8,757.94
  4. Step 4: Simplify right side
    19,848.10x = 260,782,989.90
  5. Step 5: Solve for x
    x = 260,782,989.90/19,848.10
  6. Step 6: Final answer
    x = 13,138.94

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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.