Home / 19,968.58-27,558.03-11,472.09

Finding the Fourth Proportional to 19,968.58, 27,558.03 and 11,472.09

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Solution

The fourth proportional to 19,968.58, 27,558.03 and 11,472.09 is: 15,832.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.58 : 27,558.03 = 11,472.09 : x
  2. Step 2: Convert to fraction form
    19,968.58/27,558.03 = 11,472.09/x
  3. Step 3: Cross multiply
    19,968.58x = 27,558.03 × 11,472.09
  4. Step 4: Simplify right side
    19,968.58x = 316,148,200.38
  5. Step 5: Solve for x
    x = 316,148,200.38/19,968.58
  6. Step 6: Final answer
    x = 15,832.28

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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.