Home / 20,596.88-28,423.37-11,644.06

Finding the Fourth Proportional to 20,596.88, 28,423.37 and 11,644.06

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Solution

The fourth proportional to 20,596.88, 28,423.37 and 11,644.06 is: 16,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,596.88 : 28,423.37 = 11,644.06 : x
  2. Step 2: Convert to fraction form
    20,596.88/28,423.37 = 11,644.06/x
  3. Step 3: Cross multiply
    20,596.88x = 28,423.37 × 11,644.06
  4. Step 4: Simplify right side
    20,596.88x = 330,963,425.68
  5. Step 5: Solve for x
    x = 330,963,425.68/20,596.88
  6. Step 6: Final answer
    x = 16,068.62

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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.