Home / 19,630.72-27,091.06-11,248.84

Finding the Fourth Proportional to 19,630.72, 27,091.06 and 11,248.84

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Solution

The fourth proportional to 19,630.72, 27,091.06 and 11,248.84 is: 15,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.72 : 27,091.06 = 11,248.84 : x
  2. Step 2: Convert to fraction form
    19,630.72/27,091.06 = 11,248.84/x
  3. Step 3: Cross multiply
    19,630.72x = 27,091.06 × 11,248.84
  4. Step 4: Simplify right side
    19,630.72x = 304,742,999.37
  5. Step 5: Solve for x
    x = 304,742,999.37/19,630.72
  6. Step 6: Final answer
    x = 15,523.78

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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.