Home / 15,723.28-23,561.98-7,292.36

Finding the Fourth Proportional to 15,723.28, 23,561.98 and 7,292.36

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Solution

The fourth proportional to 15,723.28, 23,561.98 and 7,292.36 is: 10,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,723.28 : 23,561.98 = 7,292.36 : x
  2. Step 2: Convert to fraction form
    15,723.28/23,561.98 = 7,292.36/x
  3. Step 3: Cross multiply
    15,723.28x = 23,561.98 × 7,292.36
  4. Step 4: Simplify right side
    15,723.28x = 171,822,481.15
  5. Step 5: Solve for x
    x = 171,822,481.15/15,723.28
  6. Step 6: Final answer
    x = 10,927.90

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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.