Home / 15,708.75-23,563.13-4,764.75

Finding the Fourth Proportional to 15,708.75, 23,563.13 and 4,764.75

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Solution

The fourth proportional to 15,708.75, 23,563.13 and 4,764.75 is: 7,147.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,708.75 : 23,563.13 = 4,764.75 : x
  2. Step 2: Convert to fraction form
    15,708.75/23,563.13 = 4,764.75/x
  3. Step 3: Cross multiply
    15,708.75x = 23,563.13 × 4,764.75
  4. Step 4: Simplify right side
    15,708.75x = 112,272,399.84
  5. Step 5: Solve for x
    x = 112,272,399.84/15,708.75
  6. Step 6: Final answer
    x = 7,147.13

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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.