Home / 19,958.91-27,543.27-11,006.45

Finding the Fourth Proportional to 19,958.91, 27,543.27 and 11,006.45

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Solution

The fourth proportional to 19,958.91, 27,543.27 and 11,006.45 is: 15,188.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.91 : 27,543.27 = 11,006.45 : x
  2. Step 2: Convert to fraction form
    19,958.91/27,543.27 = 11,006.45/x
  3. Step 3: Cross multiply
    19,958.91x = 27,543.27 × 11,006.45
  4. Step 4: Simplify right side
    19,958.91x = 303,153,630.94
  5. Step 5: Solve for x
    x = 303,153,630.94/19,958.91
  6. Step 6: Final answer
    x = 15,188.89

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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.