Home / 26,415.71-39,623.56-17,115.49

Finding the Fourth Proportional to 26,415.71, 39,623.56 and 17,115.49

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Solution

The fourth proportional to 26,415.71, 39,623.56 and 17,115.49 is: 25,673.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,415.71 : 39,623.56 = 17,115.49 : x
  2. Step 2: Convert to fraction form
    26,415.71/39,623.56 = 17,115.49/x
  3. Step 3: Cross multiply
    26,415.71x = 39,623.56 × 17,115.49
  4. Step 4: Simplify right side
    26,415.71x = 678,176,644.94
  5. Step 5: Solve for x
    x = 678,176,644.94/26,415.71
  6. Step 6: Final answer
    x = 25,673.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.