Home / 18,260.65-27,456.18-16,817.23

Finding the Fourth Proportional to 18,260.65, 27,456.18 and 16,817.23

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Solution

The fourth proportional to 18,260.65, 27,456.18 and 16,817.23 is: 25,285.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.65 : 27,456.18 = 16,817.23 : x
  2. Step 2: Convert to fraction form
    18,260.65/27,456.18 = 16,817.23/x
  3. Step 3: Cross multiply
    18,260.65x = 27,456.18 × 16,817.23
  4. Step 4: Simplify right side
    18,260.65x = 461,736,672.61
  5. Step 5: Solve for x
    x = 461,736,672.61/18,260.65
  6. Step 6: Final answer
    x = 25,285.89

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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.