Home / 14,110.20-21,158.46-4,247.64

Finding the Fourth Proportional to 14,110.20, 21,158.46 and 4,247.64

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Solution

The fourth proportional to 14,110.20, 21,158.46 and 4,247.64 is: 6,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.20 : 21,158.46 = 4,247.64 : x
  2. Step 2: Convert to fraction form
    14,110.20/21,158.46 = 4,247.64/x
  3. Step 3: Cross multiply
    14,110.20x = 21,158.46 × 4,247.64
  4. Step 4: Simplify right side
    14,110.20x = 89,873,521.03
  5. Step 5: Solve for x
    x = 89,873,521.03/14,110.20
  6. Step 6: Final answer
    x = 6,369.40

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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.