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Finding the Fourth Proportional to 19,510.66, 26,927.10 and 11,958.07

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Solution

The fourth proportional to 19,510.66, 26,927.10 and 11,958.07 is: 16,503.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,510.66 : 26,927.10 = 11,958.07 : x
  2. Step 2: Convert to fraction form
    19,510.66/26,927.10 = 11,958.07/x
  3. Step 3: Cross multiply
    19,510.66x = 26,927.10 × 11,958.07
  4. Step 4: Simplify right side
    19,510.66x = 321,996,034.54
  5. Step 5: Solve for x
    x = 321,996,034.54/19,510.66
  6. Step 6: Final answer
    x = 16,503.59

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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.