Home / 21,464.84-29,621.44-12,033.40

Finding the Fourth Proportional to 21,464.84, 29,621.44 and 12,033.40

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Solution

The fourth proportional to 21,464.84, 29,621.44 and 12,033.40 is: 16,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,464.84 : 29,621.44 = 12,033.40 : x
  2. Step 2: Convert to fraction form
    21,464.84/29,621.44 = 12,033.40/x
  3. Step 3: Cross multiply
    21,464.84x = 29,621.44 × 12,033.40
  4. Step 4: Simplify right side
    21,464.84x = 356,446,636.10
  5. Step 5: Solve for x
    x = 356,446,636.10/21,464.84
  6. Step 6: Final answer
    x = 16,606.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.