Home / 14,148.38-21,226.18-6,650.49

Finding the Fourth Proportional to 14,148.38, 21,226.18 and 6,650.49

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Solution

The fourth proportional to 14,148.38, 21,226.18 and 6,650.49 is: 9,977.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.38 : 21,226.18 = 6,650.49 : x
  2. Step 2: Convert to fraction form
    14,148.38/21,226.18 = 6,650.49/x
  3. Step 3: Cross multiply
    14,148.38x = 21,226.18 × 6,650.49
  4. Step 4: Simplify right side
    14,148.38x = 141,164,497.83
  5. Step 5: Solve for x
    x = 141,164,497.83/14,148.38
  6. Step 6: Final answer
    x = 9,977.43

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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.