Home / 23,305.90-32,162.78-12,696.22

Finding the Fourth Proportional to 23,305.90, 32,162.78 and 12,696.22

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Solution

The fourth proportional to 23,305.90, 32,162.78 and 12,696.22 is: 17,521.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,305.90 : 32,162.78 = 12,696.22 : x
  2. Step 2: Convert to fraction form
    23,305.90/32,162.78 = 12,696.22/x
  3. Step 3: Cross multiply
    23,305.90x = 32,162.78 × 12,696.22
  4. Step 4: Simplify right side
    23,305.90x = 408,345,730.69
  5. Step 5: Solve for x
    x = 408,345,730.69/23,305.90
  6. Step 6: Final answer
    x = 17,521.13

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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.