Home / 19,540.90-26,964.66-11,581.84

Finding the Fourth Proportional to 19,540.90, 26,964.66 and 11,581.84

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Solution

The fourth proportional to 19,540.90, 26,964.66 and 11,581.84 is: 15,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.90 : 26,964.66 = 11,581.84 : x
  2. Step 2: Convert to fraction form
    19,540.90/26,964.66 = 11,581.84/x
  3. Step 3: Cross multiply
    19,540.90x = 26,964.66 × 11,581.84
  4. Step 4: Simplify right side
    19,540.90x = 312,300,377.77
  5. Step 5: Solve for x
    x = 312,300,377.77/19,540.90
  6. Step 6: Final answer
    x = 15,981.88

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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.