Home / 18,456.62-25,474.28-12,079.51

Finding the Fourth Proportional to 18,456.62, 25,474.28 and 12,079.51

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Solution

The fourth proportional to 18,456.62, 25,474.28 and 12,079.51 is: 16,672.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.62 : 25,474.28 = 12,079.51 : x
  2. Step 2: Convert to fraction form
    18,456.62/25,474.28 = 12,079.51/x
  3. Step 3: Cross multiply
    18,456.62x = 25,474.28 × 12,079.51
  4. Step 4: Simplify right side
    18,456.62x = 307,716,820.00
  5. Step 5: Solve for x
    x = 307,716,820.00/18,456.62
  6. Step 6: Final answer
    x = 16,672.44

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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.