Home / 23,172.44-31,972.62-15,632.76

Finding the Fourth Proportional to 23,172.44, 31,972.62 and 15,632.76

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Solution

The fourth proportional to 23,172.44, 31,972.62 and 15,632.76 is: 21,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,172.44 : 31,972.62 = 15,632.76 : x
  2. Step 2: Convert to fraction form
    23,172.44/31,972.62 = 15,632.76/x
  3. Step 3: Cross multiply
    23,172.44x = 31,972.62 × 15,632.76
  4. Step 4: Simplify right side
    23,172.44x = 499,820,295.03
  5. Step 5: Solve for x
    x = 499,820,295.03/23,172.44
  6. Step 6: Final answer
    x = 21,569.60

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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.