Home / 16,782.65-23,160.10-9,229.44

Finding the Fourth Proportional to 16,782.65, 23,160.10 and 9,229.44

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Solution

The fourth proportional to 16,782.65, 23,160.10 and 9,229.44 is: 12,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.65 : 23,160.10 = 9,229.44 : x
  2. Step 2: Convert to fraction form
    16,782.65/23,160.10 = 9,229.44/x
  3. Step 3: Cross multiply
    16,782.65x = 23,160.10 × 9,229.44
  4. Step 4: Simplify right side
    16,782.65x = 213,754,730.27
  5. Step 5: Solve for x
    x = 213,754,730.27/16,782.65
  6. Step 6: Final answer
    x = 12,736.65

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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.