Home / 21,453.88-29,604.18-12,023.32

Finding the Fourth Proportional to 21,453.88, 29,604.18 and 12,023.32

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Solution

The fourth proportional to 21,453.88, 29,604.18 and 12,023.32 is: 16,590.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,453.88 : 29,604.18 = 12,023.32 : x
  2. Step 2: Convert to fraction form
    21,453.88/29,604.18 = 12,023.32/x
  3. Step 3: Cross multiply
    21,453.88x = 29,604.18 × 12,023.32
  4. Step 4: Simplify right side
    21,453.88x = 355,940,529.48
  5. Step 5: Solve for x
    x = 355,940,529.48/21,453.88
  6. Step 6: Final answer
    x = 16,590.96

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1.5x scale

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.