Home / 23,173.96-31,963.07-15,213.28

Finding the Fourth Proportional to 23,173.96, 31,963.07 and 15,213.28

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Solution

The fourth proportional to 23,173.96, 31,963.07 and 15,213.28 is: 20,983.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,173.96 : 31,963.07 = 15,213.28 : x
  2. Step 2: Convert to fraction form
    23,173.96/31,963.07 = 15,213.28/x
  3. Step 3: Cross multiply
    23,173.96x = 31,963.07 × 15,213.28
  4. Step 4: Simplify right side
    23,173.96x = 486,262,897.69
  5. Step 5: Solve for x
    x = 486,262,897.69/23,173.96
  6. Step 6: Final answer
    x = 20,983.16

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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.