Home / 19,426.71-26,806.34-10,928.54

Finding the Fourth Proportional to 19,426.71, 26,806.34 and 10,928.54

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Solution

The fourth proportional to 19,426.71, 26,806.34 and 10,928.54 is: 15,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.71 : 26,806.34 = 10,928.54 : x
  2. Step 2: Convert to fraction form
    19,426.71/26,806.34 = 10,928.54/x
  3. Step 3: Cross multiply
    19,426.71x = 26,806.34 × 10,928.54
  4. Step 4: Simplify right side
    19,426.71x = 292,954,218.49
  5. Step 5: Solve for x
    x = 292,954,218.49/19,426.71
  6. Step 6: Final answer
    x = 15,079.97

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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.