Home / 23,172.53-32,004.36-15,605.71

Finding the Fourth Proportional to 23,172.53, 32,004.36 and 15,605.71

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Solution

The fourth proportional to 23,172.53, 32,004.36 and 15,605.71 is: 21,553.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.53 : 32,004.36 = 15,605.71 : x
  2. Step 2: Convert to fraction form
    23,172.53/32,004.36 = 15,605.71/x
  3. Step 3: Cross multiply
    23,172.53x = 32,004.36 × 15,605.71
  4. Step 4: Simplify right side
    23,172.53x = 499,450,680.88
  5. Step 5: Solve for x
    x = 499,450,680.88/23,172.53
  6. Step 6: Final answer
    x = 21,553.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.