Home / 22,733.70-31,374.09-13,781.58

Finding the Fourth Proportional to 22,733.70, 31,374.09 and 13,781.58

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Solution

The fourth proportional to 22,733.70, 31,374.09 and 13,781.58 is: 19,019.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,733.70 : 31,374.09 = 13,781.58 : x
  2. Step 2: Convert to fraction form
    22,733.70/31,374.09 = 13,781.58/x
  3. Step 3: Cross multiply
    22,733.70x = 31,374.09 × 13,781.58
  4. Step 4: Simplify right side
    22,733.70x = 432,384,558.02
  5. Step 5: Solve for x
    x = 432,384,558.02/22,733.70
  6. Step 6: Final answer
    x = 19,019.54

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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.