Home / 20,673.10-31,009.65-6,633.10

Finding the Fourth Proportional to 20,673.10, 31,009.65 and 6,633.10

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Solution

The fourth proportional to 20,673.10, 31,009.65 and 6,633.10 is: 9,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,673.10 : 31,009.65 = 6,633.10 : x
  2. Step 2: Convert to fraction form
    20,673.10/31,009.65 = 6,633.10/x
  3. Step 3: Cross multiply
    20,673.10x = 31,009.65 × 6,633.10
  4. Step 4: Simplify right side
    20,673.10x = 205,690,109.42
  5. Step 5: Solve for x
    x = 205,690,109.42/20,673.10
  6. Step 6: Final answer
    x = 9,949.65

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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.