Home / 25,370.28-38,011.68-19,749.96

Finding the Fourth Proportional to 25,370.28, 38,011.68 and 19,749.96

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Solution

The fourth proportional to 25,370.28, 38,011.68 and 19,749.96 is: 29,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,370.28 : 38,011.68 = 19,749.96 : x
  2. Step 2: Convert to fraction form
    25,370.28/38,011.68 = 19,749.96/x
  3. Step 3: Cross multiply
    25,370.28x = 38,011.68 × 19,749.96
  4. Step 4: Simplify right side
    25,370.28x = 750,729,159.53
  5. Step 5: Solve for x
    x = 750,729,159.53/25,370.28
  6. Step 6: Final answer
    x = 29,590.89

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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.