Home / 18,415.15-25,410.51-10,349.37

Finding the Fourth Proportional to 18,415.15, 25,410.51 and 10,349.37

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Solution

The fourth proportional to 18,415.15, 25,410.51 and 10,349.37 is: 14,280.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,415.15 : 25,410.51 = 10,349.37 : x
  2. Step 2: Convert to fraction form
    18,415.15/25,410.51 = 10,349.37/x
  3. Step 3: Cross multiply
    18,415.15x = 25,410.51 × 10,349.37
  4. Step 4: Simplify right side
    18,415.15x = 262,982,769.88
  5. Step 5: Solve for x
    x = 262,982,769.88/18,415.15
  6. Step 6: Final answer
    x = 14,280.79

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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.