Home / 14,157.29-21,235.79-3,769.04

Finding the Fourth Proportional to 14,157.29, 21,235.79 and 3,769.04

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Solution

The fourth proportional to 14,157.29, 21,235.79 and 3,769.04 is: 5,653.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.29 : 21,235.79 = 3,769.04 : x
  2. Step 2: Convert to fraction form
    14,157.29/21,235.79 = 3,769.04/x
  3. Step 3: Cross multiply
    14,157.29x = 21,235.79 × 3,769.04
  4. Step 4: Simplify right side
    14,157.29x = 80,038,445.19
  5. Step 5: Solve for x
    x = 80,038,445.19/14,157.29
  6. Step 6: Final answer
    x = 5,653.52

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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.