Home / 21,465.16-29,622.54-12,033.88

Finding the Fourth Proportional to 21,465.16, 29,622.54 and 12,033.88

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Solution

The fourth proportional to 21,465.16, 29,622.54 and 12,033.88 is: 16,607.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,465.16 : 29,622.54 = 12,033.88 : x
  2. Step 2: Convert to fraction form
    21,465.16/29,622.54 = 12,033.88/x
  3. Step 3: Cross multiply
    21,465.16x = 29,622.54 × 12,033.88
  4. Step 4: Simplify right side
    21,465.16x = 356,474,091.66
  5. Step 5: Solve for x
    x = 356,474,091.66/21,465.16
  6. Step 6: Final answer
    x = 16,607.10

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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.