Home / 18,510.20-25,548.08-11,794.24

Finding the Fourth Proportional to 18,510.20, 25,548.08 and 11,794.24

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Solution

The fourth proportional to 18,510.20, 25,548.08 and 11,794.24 is: 16,278.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.20 : 25,548.08 = 11,794.24 : x
  2. Step 2: Convert to fraction form
    18,510.20/25,548.08 = 11,794.24/x
  3. Step 3: Cross multiply
    18,510.20x = 25,548.08 × 11,794.24
  4. Step 4: Simplify right side
    18,510.20x = 301,320,187.06
  5. Step 5: Solve for x
    x = 301,320,187.06/18,510.20
  6. Step 6: Final answer
    x = 16,278.60

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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.