Home / 14,184.28-21,279.58-4,324.32

Finding the Fourth Proportional to 14,184.28, 21,279.58 and 4,324.32

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Solution

The fourth proportional to 14,184.28, 21,279.58 and 4,324.32 is: 6,487.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,184.28 : 21,279.58 = 4,324.32 : x
  2. Step 2: Convert to fraction form
    14,184.28/21,279.58 = 4,324.32/x
  3. Step 3: Cross multiply
    14,184.28x = 21,279.58 × 4,324.32
  4. Step 4: Simplify right side
    14,184.28x = 92,019,713.39
  5. Step 5: Solve for x
    x = 92,019,713.39/14,184.28
  6. Step 6: Final answer
    x = 6,487.44

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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.