Home / 20,827.05-31,242.20-6,036.18

Finding the Fourth Proportional to 20,827.05, 31,242.20 and 6,036.18

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Solution

The fourth proportional to 20,827.05, 31,242.20 and 6,036.18 is: 9,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,827.05 : 31,242.20 = 6,036.18 : x
  2. Step 2: Convert to fraction form
    20,827.05/31,242.20 = 6,036.18/x
  3. Step 3: Cross multiply
    20,827.05x = 31,242.20 × 6,036.18
  4. Step 4: Simplify right side
    20,827.05x = 188,583,512.62
  5. Step 5: Solve for x
    x = 188,583,512.62/20,827.05
  6. Step 6: Final answer
    x = 9,054.74

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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.