Home / 14,144.74-21,211.33-6,140.02

Finding the Fourth Proportional to 14,144.74, 21,211.33 and 6,140.02

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Solution

The fourth proportional to 14,144.74, 21,211.33 and 6,140.02 is: 9,207.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,144.74 : 21,211.33 = 6,140.02 : x
  2. Step 2: Convert to fraction form
    14,144.74/21,211.33 = 6,140.02/x
  3. Step 3: Cross multiply
    14,144.74x = 21,211.33 × 6,140.02
  4. Step 4: Simplify right side
    14,144.74x = 130,237,990.43
  5. Step 5: Solve for x
    x = 130,237,990.43/14,144.74
  6. Step 6: Final answer
    x = 9,207.52

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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.