Home / 23,156.97-31,933.20-20,596.65

Finding the Fourth Proportional to 23,156.97, 31,933.20 and 20,596.65

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Solution

The fourth proportional to 23,156.97, 31,933.20 and 20,596.65 is: 28,402.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,156.97 : 31,933.20 = 20,596.65 : x
  2. Step 2: Convert to fraction form
    23,156.97/31,933.20 = 20,596.65/x
  3. Step 3: Cross multiply
    23,156.97x = 31,933.20 × 20,596.65
  4. Step 4: Simplify right side
    23,156.97x = 657,716,943.78
  5. Step 5: Solve for x
    x = 657,716,943.78/23,156.97
  6. Step 6: Final answer
    x = 28,402.55

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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.