Home / 23,983.96-33,102.16-15,039.20

Finding the Fourth Proportional to 23,983.96, 33,102.16 and 15,039.20

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Solution

The fourth proportional to 23,983.96, 33,102.16 and 15,039.20 is: 20,756.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,983.96 : 33,102.16 = 15,039.20 : x
  2. Step 2: Convert to fraction form
    23,983.96/33,102.16 = 15,039.20/x
  3. Step 3: Cross multiply
    23,983.96x = 33,102.16 × 15,039.20
  4. Step 4: Simplify right side
    23,983.96x = 497,830,004.67
  5. Step 5: Solve for x
    x = 497,830,004.67/23,983.96
  6. Step 6: Final answer
    x = 20,756.79

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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.