Home / 22,623.90-31,220.70-12,552.09

Finding the Fourth Proportional to 22,623.90, 31,220.70 and 12,552.09

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Solution

The fourth proportional to 22,623.90, 31,220.70 and 12,552.09 is: 17,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,623.90 : 31,220.70 = 12,552.09 : x
  2. Step 2: Convert to fraction form
    22,623.90/31,220.70 = 12,552.09/x
  3. Step 3: Cross multiply
    22,623.90x = 31,220.70 × 12,552.09
  4. Step 4: Simplify right side
    22,623.90x = 391,885,036.26
  5. Step 5: Solve for x
    x = 391,885,036.26/22,623.90
  6. Step 6: Final answer
    x = 17,321.73

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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.