Home / 14,108.12-21,171.90-6,325.64

Finding the Fourth Proportional to 14,108.12, 21,171.90 and 6,325.64

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Solution

The fourth proportional to 14,108.12, 21,171.90 and 6,325.64 is: 9,492.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.12 : 21,171.90 = 6,325.64 : x
  2. Step 2: Convert to fraction form
    14,108.12/21,171.90 = 6,325.64/x
  3. Step 3: Cross multiply
    14,108.12x = 21,171.90 × 6,325.64
  4. Step 4: Simplify right side
    14,108.12x = 133,925,817.52
  5. Step 5: Solve for x
    x = 133,925,817.52/14,108.12
  6. Step 6: Final answer
    x = 9,492.82

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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.