Home / 20,837.54-31,252.94-7,696.10

Finding the Fourth Proportional to 20,837.54, 31,252.94 and 7,696.10

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Solution

The fourth proportional to 20,837.54, 31,252.94 and 7,696.10 is: 11,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.54 : 31,252.94 = 7,696.10 : x
  2. Step 2: Convert to fraction form
    20,837.54/31,252.94 = 7,696.10/x
  3. Step 3: Cross multiply
    20,837.54x = 31,252.94 × 7,696.10
  4. Step 4: Simplify right side
    20,837.54x = 240,525,751.53
  5. Step 5: Solve for x
    x = 240,525,751.53/20,837.54
  6. Step 6: Final answer
    x = 11,542.91

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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.