Home / 20,760.64-31,140.96-16,626.94

Finding the Fourth Proportional to 20,760.64, 31,140.96 and 16,626.94

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Solution

The fourth proportional to 20,760.64, 31,140.96 and 16,626.94 is: 24,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,760.64 : 31,140.96 = 16,626.94 : x
  2. Step 2: Convert to fraction form
    20,760.64/31,140.96 = 16,626.94/x
  3. Step 3: Cross multiply
    20,760.64x = 31,140.96 × 16,626.94
  4. Step 4: Simplify right side
    20,760.64x = 517,778,873.46
  5. Step 5: Solve for x
    x = 517,778,873.46/20,760.64
  6. Step 6: Final answer
    x = 24,940.41

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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.