Home / 14,531.32-21,795.89-5,170.96

Finding the Fourth Proportional to 14,531.32, 21,795.89 and 5,170.96

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Solution

The fourth proportional to 14,531.32, 21,795.89 and 5,170.96 is: 7,756.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,531.32 : 21,795.89 = 5,170.96 : x
  2. Step 2: Convert to fraction form
    14,531.32/21,795.89 = 5,170.96/x
  3. Step 3: Cross multiply
    14,531.32x = 21,795.89 × 5,170.96
  4. Step 4: Simplify right side
    14,531.32x = 112,705,675.35
  5. Step 5: Solve for x
    x = 112,705,675.35/14,531.32
  6. Step 6: Final answer
    x = 7,756.05

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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.