Home / 22,360.99-30,845.31-13,962.91

Finding the Fourth Proportional to 22,360.99, 30,845.31 and 13,962.91

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Solution

The fourth proportional to 22,360.99, 30,845.31 and 13,962.91 is: 19,260.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,360.99 : 30,845.31 = 13,962.91 : x
  2. Step 2: Convert to fraction form
    22,360.99/30,845.31 = 13,962.91/x
  3. Step 3: Cross multiply
    22,360.99x = 30,845.31 × 13,962.91
  4. Step 4: Simplify right side
    22,360.99x = 430,690,129.06
  5. Step 5: Solve for x
    x = 430,690,129.06/22,360.99
  6. Step 6: Final answer
    x = 19,260.78

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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.