Home / 19,836.48-27,374.24-11,223.04

Finding the Fourth Proportional to 19,836.48, 27,374.24 and 11,223.04

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Solution

The fourth proportional to 19,836.48, 27,374.24 and 11,223.04 is: 15,487.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836.48 : 27,374.24 = 11,223.04 : x
  2. Step 2: Convert to fraction form
    19,836.48/27,374.24 = 11,223.04/x
  3. Step 3: Cross multiply
    19,836.48x = 27,374.24 × 11,223.04
  4. Step 4: Simplify right side
    19,836.48x = 307,222,190.49
  5. Step 5: Solve for x
    x = 307,222,190.49/19,836.48
  6. Step 6: Final answer
    x = 15,487.74

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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.