Home / 14,135.04-21,196.76-5,250.96

Finding the Fourth Proportional to 14,135.04, 21,196.76 and 5,250.96

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Solution

The fourth proportional to 14,135.04, 21,196.76 and 5,250.96 is: 7,874.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,135.04 : 21,196.76 = 5,250.96 : x
  2. Step 2: Convert to fraction form
    14,135.04/21,196.76 = 5,250.96/x
  3. Step 3: Cross multiply
    14,135.04x = 21,196.76 × 5,250.96
  4. Step 4: Simplify right side
    14,135.04x = 111,303,312.63
  5. Step 5: Solve for x
    x = 111,303,312.63/14,135.04
  6. Step 6: Final answer
    x = 7,874.28

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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.