Home / 15,643.26-23,472.60-7,323.84

Finding the Fourth Proportional to 15,643.26, 23,472.60 and 7,323.84

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Solution

The fourth proportional to 15,643.26, 23,472.60 and 7,323.84 is: 10,989.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.26 : 23,472.60 = 7,323.84 : x
  2. Step 2: Convert to fraction form
    15,643.26/23,472.60 = 7,323.84/x
  3. Step 3: Cross multiply
    15,643.26x = 23,472.60 × 7,323.84
  4. Step 4: Simplify right side
    15,643.26x = 171,909,566.78
  5. Step 5: Solve for x
    x = 171,909,566.78/15,643.26
  6. Step 6: Final answer
    x = 10,989.37

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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.