Home / 20,705.04-31,072.20-16,035.84

Finding the Fourth Proportional to 20,705.04, 31,072.20 and 16,035.84

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Solution

The fourth proportional to 20,705.04, 31,072.20 and 16,035.84 is: 24,065.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,705.04 : 31,072.20 = 16,035.84 : x
  2. Step 2: Convert to fraction form
    20,705.04/31,072.20 = 16,035.84/x
  3. Step 3: Cross multiply
    20,705.04x = 31,072.20 × 16,035.84
  4. Step 4: Simplify right side
    20,705.04x = 498,268,827.65
  5. Step 5: Solve for x
    x = 498,268,827.65/20,705.04
  6. Step 6: Final answer
    x = 24,065.10

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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.