Home / 20,466.48-30,700.24-15,305.12

Finding the Fourth Proportional to 20,466.48, 30,700.24 and 15,305.12

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Solution

The fourth proportional to 20,466.48, 30,700.24 and 15,305.12 is: 22,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,466.48 : 30,700.24 = 15,305.12 : x
  2. Step 2: Convert to fraction form
    20,466.48/30,700.24 = 15,305.12/x
  3. Step 3: Cross multiply
    20,466.48x = 30,700.24 × 15,305.12
  4. Step 4: Simplify right side
    20,466.48x = 469,870,857.23
  5. Step 5: Solve for x
    x = 469,870,857.23/20,466.48
  6. Step 6: Final answer
    x = 22,958.07

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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.