Home / 14,208.67-21,318.45-5,444.20

Finding the Fourth Proportional to 14,208.67, 21,318.45 and 5,444.20

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Solution

The fourth proportional to 14,208.67, 21,318.45 and 5,444.20 is: 8,168.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.67 : 21,318.45 = 5,444.20 : x
  2. Step 2: Convert to fraction form
    14,208.67/21,318.45 = 5,444.20/x
  3. Step 3: Cross multiply
    14,208.67x = 21,318.45 × 5,444.20
  4. Step 4: Simplify right side
    14,208.67x = 116,061,905.49
  5. Step 5: Solve for x
    x = 116,061,905.49/14,208.67
  6. Step 6: Final answer
    x = 8,168.39

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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.