Home / 19,276.38-26,615.88-17,040.78

Finding the Fourth Proportional to 19,276.38, 26,615.88 and 17,040.78

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Solution

The fourth proportional to 19,276.38, 26,615.88 and 17,040.78 is: 23,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,276.38 : 26,615.88 = 17,040.78 : x
  2. Step 2: Convert to fraction form
    19,276.38/26,615.88 = 17,040.78/x
  3. Step 3: Cross multiply
    19,276.38x = 26,615.88 × 17,040.78
  4. Step 4: Simplify right side
    19,276.38x = 453,555,355.59
  5. Step 5: Solve for x
    x = 453,555,355.59/19,276.38
  6. Step 6: Final answer
    x = 23,529.07

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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.