Home / 14,126.48-21,184.62-4,262.72

Finding the Fourth Proportional to 14,126.48, 21,184.62 and 4,262.72

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Solution

The fourth proportional to 14,126.48, 21,184.62 and 4,262.72 is: 6,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.48 : 21,184.62 = 4,262.72 : x
  2. Step 2: Convert to fraction form
    14,126.48/21,184.62 = 4,262.72/x
  3. Step 3: Cross multiply
    14,126.48x = 21,184.62 × 4,262.72
  4. Step 4: Simplify right side
    14,126.48x = 90,304,103.37
  5. Step 5: Solve for x
    x = 90,304,103.37/14,126.48
  6. Step 6: Final answer
    x = 6,392.54

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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.