Home / 14,463.48-21,690.84-6,143.42

Finding the Fourth Proportional to 14,463.48, 21,690.84 and 6,143.42

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Solution

The fourth proportional to 14,463.48, 21,690.84 and 6,143.42 is: 9,213.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.48 : 21,690.84 = 6,143.42 : x
  2. Step 2: Convert to fraction form
    14,463.48/21,690.84 = 6,143.42/x
  3. Step 3: Cross multiply
    14,463.48x = 21,690.84 × 6,143.42
  4. Step 4: Simplify right side
    14,463.48x = 133,255,940.27
  5. Step 5: Solve for x
    x = 133,255,940.27/14,463.48
  6. Step 6: Final answer
    x = 9,213.27

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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.