Home / 14,611.04-21,909.60-4,220

Finding the Fourth Proportional to 14,611.04, 21,909.60 and 4,220

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Solution

The fourth proportional to 14,611.04, 21,909.60 and 4,220 is: 6,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.04 : 21,909.60 = 4,220 : x
  2. Step 2: Convert to fraction form
    14,611.04/21,909.60 = 4,220/x
  3. Step 3: Cross multiply
    14,611.04x = 21,909.60 × 4,220
  4. Step 4: Simplify right side
    14,611.04x = 92,458,512
  5. Step 5: Solve for x
    x = 92,458,512/14,611.04
  6. Step 6: Final answer
    x = 6,327.99

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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.