Home / 22,463.90-31,000.09-12,392.97

Finding the Fourth Proportional to 22,463.90, 31,000.09 and 12,392.97

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Solution

The fourth proportional to 22,463.90, 31,000.09 and 12,392.97 is: 17,102.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,463.90 : 31,000.09 = 12,392.97 : x
  2. Step 2: Convert to fraction form
    22,463.90/31,000.09 = 12,392.97/x
  3. Step 3: Cross multiply
    22,463.90x = 31,000.09 × 12,392.97
  4. Step 4: Simplify right side
    22,463.90x = 384,183,138.85
  5. Step 5: Solve for x
    x = 384,183,138.85/22,463.90
  6. Step 6: Final answer
    x = 17,102.25

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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.