Home / 20,756.01-31,127.64-5,960.96

Finding the Fourth Proportional to 20,756.01, 31,127.64 and 5,960.96

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Solution

The fourth proportional to 20,756.01, 31,127.64 and 5,960.96 is: 8,939.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,756.01 : 31,127.64 = 5,960.96 : x
  2. Step 2: Convert to fraction form
    20,756.01/31,127.64 = 5,960.96/x
  3. Step 3: Cross multiply
    20,756.01x = 31,127.64 × 5,960.96
  4. Step 4: Simplify right side
    20,756.01x = 185,550,461.30
  5. Step 5: Solve for x
    x = 185,550,461.30/20,756.01
  6. Step 6: Final answer
    x = 8,939.60

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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.