Home / 14,226.48-21,342.44-6,435.28

Finding the Fourth Proportional to 14,226.48, 21,342.44 and 6,435.28

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Solution

The fourth proportional to 14,226.48, 21,342.44 and 6,435.28 is: 9,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.48 : 21,342.44 = 6,435.28 : x
  2. Step 2: Convert to fraction form
    14,226.48/21,342.44 = 6,435.28/x
  3. Step 3: Cross multiply
    14,226.48x = 21,342.44 × 6,435.28
  4. Step 4: Simplify right side
    14,226.48x = 137,344,577.28
  5. Step 5: Solve for x
    x = 137,344,577.28/14,226.48
  6. Step 6: Final answer
    x = 9,654.15

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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.