Home / 23,140.91-34,625.22-20,316.38

Finding the Fourth Proportional to 23,140.91, 34,625.22 and 20,316.38

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Solution

The fourth proportional to 23,140.91, 34,625.22 and 20,316.38 is: 30,398.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,140.91 : 34,625.22 = 20,316.38 : x
  2. Step 2: Convert to fraction form
    23,140.91/34,625.22 = 20,316.38/x
  3. Step 3: Cross multiply
    23,140.91x = 34,625.22 × 20,316.38
  4. Step 4: Simplify right side
    23,140.91x = 703,458,953.98
  5. Step 5: Solve for x
    x = 703,458,953.98/23,140.91
  6. Step 6: Final answer
    x = 30,398.94

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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.