Home / 14,235.84-21,361.32-6,343.92

Finding the Fourth Proportional to 14,235.84, 21,361.32 and 6,343.92

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Solution

The fourth proportional to 14,235.84, 21,361.32 and 6,343.92 is: 9,519.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,235.84 : 21,361.32 = 6,343.92 : x
  2. Step 2: Convert to fraction form
    14,235.84/21,361.32 = 6,343.92/x
  3. Step 3: Cross multiply
    14,235.84x = 21,361.32 × 6,343.92
  4. Step 4: Simplify right side
    14,235.84x = 135,514,505.17
  5. Step 5: Solve for x
    x = 135,514,505.17/14,235.84
  6. Step 6: Final answer
    x = 9,519.25

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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.