Home / 20,763.57-31,146.03-5,973.24

Finding the Fourth Proportional to 20,763.57, 31,146.03 and 5,973.24

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Solution

The fourth proportional to 20,763.57, 31,146.03 and 5,973.24 is: 8,960.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,763.57 : 31,146.03 = 5,973.24 : x
  2. Step 2: Convert to fraction form
    20,763.57/31,146.03 = 5,973.24/x
  3. Step 3: Cross multiply
    20,763.57x = 31,146.03 × 5,973.24
  4. Step 4: Simplify right side
    20,763.57x = 186,042,712.24
  5. Step 5: Solve for x
    x = 186,042,712.24/20,763.57
  6. Step 6: Final answer
    x = 8,960.05

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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.