Home / 20,733.30-31,033.80-16,359.30

Finding the Fourth Proportional to 20,733.30, 31,033.80 and 16,359.30

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Solution

The fourth proportional to 20,733.30, 31,033.80 and 16,359.30 is: 24,486.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733.30 : 31,033.80 = 16,359.30 : x
  2. Step 2: Convert to fraction form
    20,733.30/31,033.80 = 16,359.30/x
  3. Step 3: Cross multiply
    20,733.30x = 31,033.80 × 16,359.30
  4. Step 4: Simplify right side
    20,733.30x = 507,691,244.34
  5. Step 5: Solve for x
    x = 507,691,244.34/20,733.30
  6. Step 6: Final answer
    x = 24,486.76

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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.