Home / 20,698.20-31,035.96-16,302.60

Finding the Fourth Proportional to 20,698.20, 31,035.96 and 16,302.60

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Solution

The fourth proportional to 20,698.20, 31,035.96 and 16,302.60 is: 24,444.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.20 : 31,035.96 = 16,302.60 : x
  2. Step 2: Convert to fraction form
    20,698.20/31,035.96 = 16,302.60/x
  3. Step 3: Cross multiply
    20,698.20x = 31,035.96 × 16,302.60
  4. Step 4: Simplify right side
    20,698.20x = 505,966,841.50
  5. Step 5: Solve for x
    x = 505,966,841.50/20,698.20
  6. Step 6: Final answer
    x = 24,444.97

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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.