Home / 24,003.55-33,135.49-15,509.78

Finding the Fourth Proportional to 24,003.55, 33,135.49 and 15,509.78

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Solution

The fourth proportional to 24,003.55, 33,135.49 and 15,509.78 is: 21,410.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,003.55 : 33,135.49 = 15,509.78 : x
  2. Step 2: Convert to fraction form
    24,003.55/33,135.49 = 15,509.78/x
  3. Step 3: Cross multiply
    24,003.55x = 33,135.49 × 15,509.78
  4. Step 4: Simplify right side
    24,003.55x = 513,924,160.09
  5. Step 5: Solve for x
    x = 513,924,160.09/24,003.55
  6. Step 6: Final answer
    x = 21,410.34

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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.