Home / 19,518.06-26,932.91-11,020.66

Finding the Fourth Proportional to 19,518.06, 26,932.91 and 11,020.66

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Solution

The fourth proportional to 19,518.06, 26,932.91 and 11,020.66 is: 15,207.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,518.06 : 26,932.91 = 11,020.66 : x
  2. Step 2: Convert to fraction form
    19,518.06/26,932.91 = 11,020.66/x
  3. Step 3: Cross multiply
    19,518.06x = 26,932.91 × 11,020.66
  4. Step 4: Simplify right side
    19,518.06x = 296,818,321.49
  5. Step 5: Solve for x
    x = 296,818,321.49/19,518.06
  6. Step 6: Final answer
    x = 15,207.37

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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.