Home / 14,108.18-21,164.09-4,744.16

Finding the Fourth Proportional to 14,108.18, 21,164.09 and 4,744.16

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Solution

The fourth proportional to 14,108.18, 21,164.09 and 4,744.16 is: 7,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.18 : 21,164.09 = 4,744.16 : x
  2. Step 2: Convert to fraction form
    14,108.18/21,164.09 = 4,744.16/x
  3. Step 3: Cross multiply
    14,108.18x = 21,164.09 × 4,744.16
  4. Step 4: Simplify right side
    14,108.18x = 100,405,829.21
  5. Step 5: Solve for x
    x = 100,405,829.21/14,108.18
  6. Step 6: Final answer
    x = 7,116.85

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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.