Home / 20,083.24-30,125.16-5,293.65

Finding the Fourth Proportional to 20,083.24, 30,125.16 and 5,293.65

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Solution

The fourth proportional to 20,083.24, 30,125.16 and 5,293.65 is: 7,940.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,083.24 : 30,125.16 = 5,293.65 : x
  2. Step 2: Convert to fraction form
    20,083.24/30,125.16 = 5,293.65/x
  3. Step 3: Cross multiply
    20,083.24x = 30,125.16 × 5,293.65
  4. Step 4: Simplify right side
    20,083.24x = 159,472,053.23
  5. Step 5: Solve for x
    x = 159,472,053.23/20,083.24
  6. Step 6: Final answer
    x = 7,940.55

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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.