Home / 19,382.88-29,034.86-17,768.28

Finding the Fourth Proportional to 19,382.88, 29,034.86 and 17,768.28

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Solution

The fourth proportional to 19,382.88, 29,034.86 and 17,768.28 is: 26,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,382.88 : 29,034.86 = 17,768.28 : x
  2. Step 2: Convert to fraction form
    19,382.88/29,034.86 = 17,768.28/x
  3. Step 3: Cross multiply
    19,382.88x = 29,034.86 × 17,768.28
  4. Step 4: Simplify right side
    19,382.88x = 515,899,522.24
  5. Step 5: Solve for x
    x = 515,899,522.24/19,382.88
  6. Step 6: Final answer
    x = 26,616.25

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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.