Home / 15,711.72-23,566.96-5,323.46

Finding the Fourth Proportional to 15,711.72, 23,566.96 and 5,323.46

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Solution

The fourth proportional to 15,711.72, 23,566.96 and 5,323.46 is: 7,984.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,711.72 : 23,566.96 = 5,323.46 : x
  2. Step 2: Convert to fraction form
    15,711.72/23,566.96 = 5,323.46/x
  3. Step 3: Cross multiply
    15,711.72x = 23,566.96 × 5,323.46
  4. Step 4: Simplify right side
    15,711.72x = 125,457,768.88
  5. Step 5: Solve for x
    x = 125,457,768.88/15,711.72
  6. Step 6: Final answer
    x = 7,984.98

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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.