Home / 14,122.70-21,184.19-4,262.06

Finding the Fourth Proportional to 14,122.70, 21,184.19 and 4,262.06

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Solution

The fourth proportional to 14,122.70, 21,184.19 and 4,262.06 is: 6,393.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.70 : 21,184.19 = 4,262.06 : x
  2. Step 2: Convert to fraction form
    14,122.70/21,184.19 = 4,262.06/x
  3. Step 3: Cross multiply
    14,122.70x = 21,184.19 × 4,262.06
  4. Step 4: Simplify right side
    14,122.70x = 90,288,161.60
  5. Step 5: Solve for x
    x = 90,288,161.60/14,122.70
  6. Step 6: Final answer
    x = 6,393.13

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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.