Home / 20,766.20-31,154.07-5,975.24

Finding the Fourth Proportional to 20,766.20, 31,154.07 and 5,975.24

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Solution

The fourth proportional to 20,766.20, 31,154.07 and 5,975.24 is: 8,964.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,766.20 : 31,154.07 = 5,975.24 : x
  2. Step 2: Convert to fraction form
    20,766.20/31,154.07 = 5,975.24/x
  3. Step 3: Cross multiply
    20,766.20x = 31,154.07 × 5,975.24
  4. Step 4: Simplify right side
    20,766.20x = 186,153,045.23
  5. Step 5: Solve for x
    x = 186,153,045.23/20,766.20
  6. Step 6: Final answer
    x = 8,964.23

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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.