Home / 18,125.01-27,157.41-12,833.87

Finding the Fourth Proportional to 18,125.01, 27,157.41 and 12,833.87

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Solution

The fourth proportional to 18,125.01, 27,157.41 and 12,833.87 is: 19,229.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,125.01 : 27,157.41 = 12,833.87 : x
  2. Step 2: Convert to fraction form
    18,125.01/27,157.41 = 12,833.87/x
  3. Step 3: Cross multiply
    18,125.01x = 27,157.41 × 12,833.87
  4. Step 4: Simplify right side
    18,125.01x = 348,534,533.69
  5. Step 5: Solve for x
    x = 348,534,533.69/18,125.01
  6. Step 6: Final answer
    x = 19,229.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.