Home / 16,213.97-24,320.96-12,521.58

Finding the Fourth Proportional to 16,213.97, 24,320.96 and 12,521.58

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Solution

The fourth proportional to 16,213.97, 24,320.96 and 12,521.58 is: 18,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,213.97 : 24,320.96 = 12,521.58 : x
  2. Step 2: Convert to fraction form
    16,213.97/24,320.96 = 12,521.58/x
  3. Step 3: Cross multiply
    16,213.97x = 24,320.96 × 12,521.58
  4. Step 4: Simplify right side
    16,213.97x = 304,536,783.71
  5. Step 5: Solve for x
    x = 304,536,783.71/16,213.97
  6. Step 6: Final answer
    x = 18,782.38

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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.