Home / 19,757.56-29,631.90-5,714.45

Finding the Fourth Proportional to 19,757.56, 29,631.90 and 5,714.45

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Solution

The fourth proportional to 19,757.56, 29,631.90 and 5,714.45 is: 8,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,757.56 : 29,631.90 = 5,714.45 : x
  2. Step 2: Convert to fraction form
    19,757.56/29,631.90 = 5,714.45/x
  3. Step 3: Cross multiply
    19,757.56x = 29,631.90 × 5,714.45
  4. Step 4: Simplify right side
    19,757.56x = 169,330,085.03
  5. Step 5: Solve for x
    x = 169,330,085.03/19,757.56
  6. Step 6: Final answer
    x = 8,570.40

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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.