Home / 20,982.46-31,473.64-14,770.16

Finding the Fourth Proportional to 20,982.46, 31,473.64 and 14,770.16

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Solution

The fourth proportional to 20,982.46, 31,473.64 and 14,770.16 is: 22,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,982.46 : 31,473.64 = 14,770.16 : x
  2. Step 2: Convert to fraction form
    20,982.46/31,473.64 = 14,770.16/x
  3. Step 3: Cross multiply
    20,982.46x = 31,473.64 × 14,770.16
  4. Step 4: Simplify right side
    20,982.46x = 464,870,698.58
  5. Step 5: Solve for x
    x = 464,870,698.58/20,982.46
  6. Step 6: Final answer
    x = 22,155.20

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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.