Home / 18,904.21-26,087.41-11,834.53

Finding the Fourth Proportional to 18,904.21, 26,087.41 and 11,834.53

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Solution

The fourth proportional to 18,904.21, 26,087.41 and 11,834.53 is: 16,331.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.21 : 26,087.41 = 11,834.53 : x
  2. Step 2: Convert to fraction form
    18,904.21/26,087.41 = 11,834.53/x
  3. Step 3: Cross multiply
    18,904.21x = 26,087.41 × 11,834.53
  4. Step 4: Simplify right side
    18,904.21x = 308,732,236.27
  5. Step 5: Solve for x
    x = 308,732,236.27/18,904.21
  6. Step 6: Final answer
    x = 16,331.40

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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.