Home / 20,675.68-31,015.64-6,632.24

Finding the Fourth Proportional to 20,675.68, 31,015.64 and 6,632.24

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Solution

The fourth proportional to 20,675.68, 31,015.64 and 6,632.24 is: 9,949.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,675.68 : 31,015.64 = 6,632.24 : x
  2. Step 2: Convert to fraction form
    20,675.68/31,015.64 = 6,632.24/x
  3. Step 3: Cross multiply
    20,675.68x = 31,015.64 × 6,632.24
  4. Step 4: Simplify right side
    20,675.68x = 205,703,168.23
  5. Step 5: Solve for x
    x = 205,703,168.23/20,675.68
  6. Step 6: Final answer
    x = 9,949.04

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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.