Home / 15,749.82-23,621.31-4,654.62

Finding the Fourth Proportional to 15,749.82, 23,621.31 and 4,654.62

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Solution

The fourth proportional to 15,749.82, 23,621.31 and 4,654.62 is: 6,980.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,749.82 : 23,621.31 = 4,654.62 : x
  2. Step 2: Convert to fraction form
    15,749.82/23,621.31 = 4,654.62/x
  3. Step 3: Cross multiply
    15,749.82x = 23,621.31 × 4,654.62
  4. Step 4: Simplify right side
    15,749.82x = 109,948,221.95
  5. Step 5: Solve for x
    x = 109,948,221.95/15,749.82
  6. Step 6: Final answer
    x = 6,980.92

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1.5x scale

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.