Home / 22,996.76-31,726.54-12,922.89

Finding the Fourth Proportional to 22,996.76, 31,726.54 and 12,922.89

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Solution

The fourth proportional to 22,996.76, 31,726.54 and 12,922.89 is: 17,828.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,996.76 : 31,726.54 = 12,922.89 : x
  2. Step 2: Convert to fraction form
    22,996.76/31,726.54 = 12,922.89/x
  3. Step 3: Cross multiply
    22,996.76x = 31,726.54 × 12,922.89
  4. Step 4: Simplify right side
    22,996.76x = 409,998,589.45
  5. Step 5: Solve for x
    x = 409,998,589.45/22,996.76
  6. Step 6: Final answer
    x = 17,828.54

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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.