Home / 15,173.40-22,749.30-5,809.80

Finding the Fourth Proportional to 15,173.40, 22,749.30 and 5,809.80

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Solution

The fourth proportional to 15,173.40, 22,749.30 and 5,809.80 is: 8,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,173.40 : 22,749.30 = 5,809.80 : x
  2. Step 2: Convert to fraction form
    15,173.40/22,749.30 = 5,809.80/x
  3. Step 3: Cross multiply
    15,173.40x = 22,749.30 × 5,809.80
  4. Step 4: Simplify right side
    15,173.40x = 132,168,883.14
  5. Step 5: Solve for x
    x = 132,168,883.14/15,173.40
  6. Step 6: Final answer
    x = 8,710.56

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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.