Home / 14,203.27-21,311.94-10,445.78

Finding the Fourth Proportional to 14,203.27, 21,311.94 and 10,445.78

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Solution

The fourth proportional to 14,203.27, 21,311.94 and 10,445.78 is: 15,673.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,203.27 : 21,311.94 = 10,445.78 : x
  2. Step 2: Convert to fraction form
    14,203.27/21,311.94 = 10,445.78/x
  3. Step 3: Cross multiply
    14,203.27x = 21,311.94 × 10,445.78
  4. Step 4: Simplify right side
    14,203.27x = 222,619,809.19
  5. Step 5: Solve for x
    x = 222,619,809.19/14,203.27
  6. Step 6: Final answer
    x = 15,673.85

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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.