Home / 16,200.14-22,210.39-15,904.90

Finding the Fourth Proportional to 16,200.14, 22,210.39 and 15,904.90

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Solution

The fourth proportional to 16,200.14, 22,210.39 and 15,904.90 is: 21,805.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,200.14 : 22,210.39 = 15,904.90 : x
  2. Step 2: Convert to fraction form
    16,200.14/22,210.39 = 15,904.90/x
  3. Step 3: Cross multiply
    16,200.14x = 22,210.39 × 15,904.90
  4. Step 4: Simplify right side
    16,200.14x = 353,253,920.86
  5. Step 5: Solve for x
    x = 353,253,920.86/16,200.14
  6. Step 6: Final answer
    x = 21,805.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.