Home / 18,325.61-25,292.06-11,611.86

Finding the Fourth Proportional to 18,325.61, 25,292.06 and 11,611.86

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Solution

The fourth proportional to 18,325.61, 25,292.06 and 11,611.86 is: 16,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,325.61 : 25,292.06 = 11,611.86 : x
  2. Step 2: Convert to fraction form
    18,325.61/25,292.06 = 11,611.86/x
  3. Step 3: Cross multiply
    18,325.61x = 25,292.06 × 11,611.86
  4. Step 4: Simplify right side
    18,325.61x = 293,687,892.74
  5. Step 5: Solve for x
    x = 293,687,892.74/18,325.61
  6. Step 6: Final answer
    x = 16,026.09

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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.