Home / 14,108.32-21,165.27-4,247.11

Finding the Fourth Proportional to 14,108.32, 21,165.27 and 4,247.11

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Solution

The fourth proportional to 14,108.32, 21,165.27 and 4,247.11 is: 6,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.32 : 21,165.27 = 4,247.11 : x
  2. Step 2: Convert to fraction form
    14,108.32/21,165.27 = 4,247.11/x
  3. Step 3: Cross multiply
    14,108.32x = 21,165.27 × 4,247.11
  4. Step 4: Simplify right side
    14,108.32x = 89,891,229.87
  5. Step 5: Solve for x
    x = 89,891,229.87/14,108.32
  6. Step 6: Final answer
    x = 6,371.50

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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.