Home / 19,958.89-27,543.27-11,461.57

Finding the Fourth Proportional to 19,958.89, 27,543.27 and 11,461.57

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Solution

The fourth proportional to 19,958.89, 27,543.27 and 11,461.57 is: 15,816.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.89 : 27,543.27 = 11,461.57 : x
  2. Step 2: Convert to fraction form
    19,958.89/27,543.27 = 11,461.57/x
  3. Step 3: Cross multiply
    19,958.89x = 27,543.27 × 11,461.57
  4. Step 4: Simplify right side
    19,958.89x = 315,689,117.13
  5. Step 5: Solve for x
    x = 315,689,117.13/19,958.89
  6. Step 6: Final answer
    x = 15,816.97

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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.