Home / 19,409.67-26,785.38-10,912.27

Finding the Fourth Proportional to 19,409.67, 26,785.38 and 10,912.27

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Solution

The fourth proportional to 19,409.67, 26,785.38 and 10,912.27 is: 15,058.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.67 : 26,785.38 = 10,912.27 : x
  2. Step 2: Convert to fraction form
    19,409.67/26,785.38 = 10,912.27/x
  3. Step 3: Cross multiply
    19,409.67x = 26,785.38 × 10,912.27
  4. Step 4: Simplify right side
    19,409.67x = 292,289,298.61
  5. Step 5: Solve for x
    x = 292,289,298.61/19,409.67
  6. Step 6: Final answer
    x = 15,058.95

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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.