Home / 16,828.68-25,231.22-12,087.74

Finding the Fourth Proportional to 16,828.68, 25,231.22 and 12,087.74

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Solution

The fourth proportional to 16,828.68, 25,231.22 and 12,087.74 is: 18,123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,828.68 : 25,231.22 = 12,087.74 : x
  2. Step 2: Convert to fraction form
    16,828.68/25,231.22 = 12,087.74/x
  3. Step 3: Cross multiply
    16,828.68x = 25,231.22 × 12,087.74
  4. Step 4: Simplify right side
    16,828.68x = 304,988,427.24
  5. Step 5: Solve for x
    x = 304,988,427.24/16,828.68
  6. Step 6: Final answer
    x = 18,123.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.