Home / 18,633.95-25,724.28-11,834.81

Finding the Fourth Proportional to 18,633.95, 25,724.28 and 11,834.81

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Solution

The fourth proportional to 18,633.95, 25,724.28 and 11,834.81 is: 16,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.95 : 25,724.28 = 11,834.81 : x
  2. Step 2: Convert to fraction form
    18,633.95/25,724.28 = 11,834.81/x
  3. Step 3: Cross multiply
    18,633.95x = 25,724.28 × 11,834.81
  4. Step 4: Simplify right side
    18,633.95x = 304,441,978.41
  5. Step 5: Solve for x
    x = 304,441,978.41/18,633.95
  6. Step 6: Final answer
    x = 16,338.03

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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.