Home / 18,414.15-25,410.32-10,858.74

Finding the Fourth Proportional to 18,414.15, 25,410.32 and 10,858.74

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Solution

The fourth proportional to 18,414.15, 25,410.32 and 10,858.74 is: 14,984.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.15 : 25,410.32 = 10,858.74 : x
  2. Step 2: Convert to fraction form
    18,414.15/25,410.32 = 10,858.74/x
  3. Step 3: Cross multiply
    18,414.15x = 25,410.32 × 10,858.74
  4. Step 4: Simplify right side
    18,414.15x = 275,924,148.87
  5. Step 5: Solve for x
    x = 275,924,148.87/18,414.15
  6. Step 6: Final answer
    x = 14,984.36

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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.