Home / 14,188.20-21,284.55-4,325.22

Finding the Fourth Proportional to 14,188.20, 21,284.55 and 4,325.22

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Solution

The fourth proportional to 14,188.20, 21,284.55 and 4,325.22 is: 6,488.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.20 : 21,284.55 = 4,325.22 : x
  2. Step 2: Convert to fraction form
    14,188.20/21,284.55 = 4,325.22/x
  3. Step 3: Cross multiply
    14,188.20x = 21,284.55 × 4,325.22
  4. Step 4: Simplify right side
    14,188.20x = 92,060,361.35
  5. Step 5: Solve for x
    x = 92,060,361.35/14,188.20
  6. Step 6: Final answer
    x = 6,488.52

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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.