Home / 19,395.14-26,749.05-11,930.18

Finding the Fourth Proportional to 19,395.14, 26,749.05 and 11,930.18

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Solution

The fourth proportional to 19,395.14, 26,749.05 and 11,930.18 is: 16,453.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395.14 : 26,749.05 = 11,930.18 : x
  2. Step 2: Convert to fraction form
    19,395.14/26,749.05 = 11,930.18/x
  3. Step 3: Cross multiply
    19,395.14x = 26,749.05 × 11,930.18
  4. Step 4: Simplify right side
    19,395.14x = 319,120,981.33
  5. Step 5: Solve for x
    x = 319,120,981.33/19,395.14
  6. Step 6: Final answer
    x = 16,453.66

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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.