Home / 14,314.90-21,476.82-6,424.03

Finding the Fourth Proportional to 14,314.90, 21,476.82 and 6,424.03

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Solution

The fourth proportional to 14,314.90, 21,476.82 and 6,424.03 is: 9,638.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.90 : 21,476.82 = 6,424.03 : x
  2. Step 2: Convert to fraction form
    14,314.90/21,476.82 = 6,424.03/x
  3. Step 3: Cross multiply
    14,314.90x = 21,476.82 × 6,424.03
  4. Step 4: Simplify right side
    14,314.90x = 137,967,735.98
  5. Step 5: Solve for x
    x = 137,967,735.98/14,314.90
  6. Step 6: Final answer
    x = 9,638.05

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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.