Home / 21,584.16-29,784.24-12,023.64

Finding the Fourth Proportional to 21,584.16, 29,784.24 and 12,023.64

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Solution

The fourth proportional to 21,584.16, 29,784.24 and 12,023.64 is: 16,591.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.16 : 29,784.24 = 12,023.64 : x
  2. Step 2: Convert to fraction form
    21,584.16/29,784.24 = 12,023.64/x
  3. Step 3: Cross multiply
    21,584.16x = 29,784.24 × 12,023.64
  4. Step 4: Simplify right side
    21,584.16x = 358,114,979.43
  5. Step 5: Solve for x
    x = 358,114,979.43/21,584.16
  6. Step 6: Final answer
    x = 16,591.56

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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.