Home / 19,540.56-26,965.62-11,042.50

Finding the Fourth Proportional to 19,540.56, 26,965.62 and 11,042.50

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Solution

The fourth proportional to 19,540.56, 26,965.62 and 11,042.50 is: 15,238.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.56 : 26,965.62 = 11,042.50 : x
  2. Step 2: Convert to fraction form
    19,540.56/26,965.62 = 11,042.50/x
  3. Step 3: Cross multiply
    19,540.56x = 26,965.62 × 11,042.50
  4. Step 4: Simplify right side
    19,540.56x = 297,767,668.81
  5. Step 5: Solve for x
    x = 297,767,668.81/19,540.56
  6. Step 6: Final answer
    x = 15,238.44

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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.