Home / 24,120.96-33,298.56-15,172.80

Finding the Fourth Proportional to 24,120.96, 33,298.56 and 15,172.80

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Solution

The fourth proportional to 24,120.96, 33,298.56 and 15,172.80 is: 20,945.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,120.96 : 33,298.56 = 15,172.80 : x
  2. Step 2: Convert to fraction form
    24,120.96/33,298.56 = 15,172.80/x
  3. Step 3: Cross multiply
    24,120.96x = 33,298.56 × 15,172.80
  4. Step 4: Simplify right side
    24,120.96x = 505,232,391.17
  5. Step 5: Solve for x
    x = 505,232,391.17/24,120.96
  6. Step 6: Final answer
    x = 20,945.78

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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.