Home / 16,869.20-23,257.80-13,833.18

Finding the Fourth Proportional to 16,869.20, 23,257.80 and 13,833.18

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Solution

The fourth proportional to 16,869.20, 23,257.80 and 13,833.18 is: 19,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,869.20 : 23,257.80 = 13,833.18 : x
  2. Step 2: Convert to fraction form
    16,869.20/23,257.80 = 13,833.18/x
  3. Step 3: Cross multiply
    16,869.20x = 23,257.80 × 13,833.18
  4. Step 4: Simplify right side
    16,869.20x = 321,729,333.80
  5. Step 5: Solve for x
    x = 321,729,333.80/16,869.20
  6. Step 6: Final answer
    x = 19,072.00

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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.