Home / 14,364.03-21,540.15-5,482.60

Finding the Fourth Proportional to 14,364.03, 21,540.15 and 5,482.60

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Solution

The fourth proportional to 14,364.03, 21,540.15 and 5,482.60 is: 8,221.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,364.03 : 21,540.15 = 5,482.60 : x
  2. Step 2: Convert to fraction form
    14,364.03/21,540.15 = 5,482.60/x
  3. Step 3: Cross multiply
    14,364.03x = 21,540.15 × 5,482.60
  4. Step 4: Simplify right side
    14,364.03x = 118,095,986.25
  5. Step 5: Solve for x
    x = 118,095,986.25/14,364.03
  6. Step 6: Final answer
    x = 8,221.65

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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.