Home / 12,949.85-19,421.89-5,052.58

Finding the Fourth Proportional to 12,949.85, 19,421.89 and 5,052.58

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Solution

The fourth proportional to 12,949.85, 19,421.89 and 5,052.58 is: 7,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949.85 : 19,421.89 = 5,052.58 : x
  2. Step 2: Convert to fraction form
    12,949.85/19,421.89 = 5,052.58/x
  3. Step 3: Cross multiply
    12,949.85x = 19,421.89 × 5,052.58
  4. Step 4: Simplify right side
    12,949.85x = 98,130,591.79
  5. Step 5: Solve for x
    x = 98,130,591.79/12,949.85
  6. Step 6: Final answer
    x = 7,577.74

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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.