Home / 22,390.23-30,911.32-14,846.82

Finding the Fourth Proportional to 22,390.23, 30,911.32 and 14,846.82

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Solution

The fourth proportional to 22,390.23, 30,911.32 and 14,846.82 is: 20,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,390.23 : 30,911.32 = 14,846.82 : x
  2. Step 2: Convert to fraction form
    22,390.23/30,911.32 = 14,846.82/x
  3. Step 3: Cross multiply
    22,390.23x = 30,911.32 × 14,846.82
  4. Step 4: Simplify right side
    22,390.23x = 458,934,706.64
  5. Step 5: Solve for x
    x = 458,934,706.64/22,390.23
  6. Step 6: Final answer
    x = 20,497.09

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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.